diff --git a/.github/workflows/docker.yml b/.github/workflows/docker.yml
index f505f48..b6e261b 100644
--- a/.github/workflows/docker.yml
+++ b/.github/workflows/docker.yml
@@ -16,6 +16,24 @@ on:
         description: 'invenio-override repo branch'     
         required: false
         default: 'main'
+      variant:
+        type: choice
+        description: Choose the instance variant
+        options:
+        - mug
+        - oer
+        - basic
+        - vanilla
+        required: false
+        default: mug
+      recreate:
+        type: choice
+        description: Recreate instance (passed to gitlab pipeline)
+        options:
+        - true
+        - false
+        required: false
+        default: false
 
 jobs:
 
@@ -39,6 +57,7 @@ jobs:
           pip install uv
 
       - name: Install invenio-override
+        if: ${{ !startsWith( github.ref, 'refs/tags') }}
         run: |
           mkdir .venv
           uv venv .venv
@@ -53,10 +72,13 @@ jobs:
           install_cmd='uv pip install git+https://github.com/sharedRDM/invenio-override@${INVENIO_OVERRIDE_BRANCH}'
           eval "$install_cmd"
     
-      - name: Change pyproject.toml
-        if: "${{ github.event.inputs.invenio-override-branch != '' }}"
+      - name: Change pyproject.toml override branch
+        if: "${{ github.event.inputs.invenio-override-branch != '' && !startsWith( github.ref, 'refs/tags') }}"
         run: sed -i 's/invenio-override", branch = "main"/invenio-override", branch = "${{ github.event.inputs.invenio-override-branch }}"/g' pyproject.toml
 
+      - name: Change pyproject.toml override MUG
+        run: sed -i 's/-override ~/-override[marc21] ~/g' pyproject.toml
+
       - name: Relock uv
         run: |
           source .venv/bin/activate
@@ -101,7 +123,176 @@ jobs:
           labels: ${{ steps.meta.outputs.labels }}
 
 
-  build-and-push-theme:
+  build-and-push-oer:
+    runs-on: ubuntu-22.04
+    permissions:
+      contents: read
+      packages: write
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+
+      - name: Set up Python
+        uses: actions/setup-python@v2
+        with:
+          python-version: '3.12'
+
+      - name: Install uv package
+        run: |
+          pip install uv
+
+      - name: Install invenio-override
+        if: ${{ !startsWith( github.ref, 'refs/tags') }}
+        run: |
+          mkdir .venv
+          uv venv .venv
+          source .venv/bin/activate
+
+          if [[ '${{ github.event.inputs.invenio-override-branch }}' == '' ]]; then
+            INVENIO_OVERRIDE_BRANCH="main"
+          else
+            INVENIO_OVERRIDE_BRANCH="${{ github.event.inputs.invenio-override-branch }}"
+          fi
+
+          install_cmd='uv pip install git+https://github.com/sharedRDM/invenio-override@${INVENIO_OVERRIDE_BRANCH}'
+          eval "$install_cmd"
+
+      - name: Change pyproject.toml override branch
+        if: "${{ github.event.inputs.invenio-override-branch != '' && !startsWith( github.ref, 'refs/tags') }}"
+        run: sed -i 's/invenio-override", branch = "main"/invenio-override", branch = "${{ github.event.inputs.invenio-override-branch }}"/g' pyproject.toml
+
+      - name: Change pyproject.toml override OER
+        run: sed -i 's/-override ~/-override[lom] ~/g' pyproject.toml
+
+      - name: Relock uv
+        run: |
+          source .venv/bin/activate
+          uv lock --upgrade
+          deactivate
+          rm -rf .venv
+
+      - name: Convert repository name to lowercase
+        run: echo "IMAGE_NAME=$(echo '${{ github.repository }}' | tr '[:upper:]' '[:lower:]')" >> $GITHUB_ENV
+
+      - name: Determine Docker tag (from tag or branch)
+        id: get_tag
+        run: |
+          if [[ "${{ github.ref }}" == refs/tags/* ]]; then
+            TAG_NAME="${GITHUB_REF#refs/tags/}"
+          else
+            TAG_NAME="${GITHUB_REF#refs/heads/}"
+          fi
+          echo "DOCKER_TAG=$TAG_NAME" >> $GITHUB_ENV
+
+      - name: Log in to the Container registry
+        uses: docker/login-action@f054a8b539a109f9f41c372932f1ae047eff08c9
+        with:
+          registry: ${{ env.REGISTRY }}
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Extract metadata (tags, labels) for Docker
+        id: meta
+        uses: docker/metadata-action@98669ae865ea3cffbcbaa878cf57c20bbf1c6c38
+        with:
+          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
+
+      - name: Build and push OER Docker image
+        uses: docker/build-push-action@ad44023a93711e3deb337508980b4b5e9bcdc5dc
+        with:
+          context: .
+          file: Dockerfile.oer
+          push: true
+          tags: |
+            ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${{ env.DOCKER_TAG }}-oer
+          labels: ${{ steps.meta.outputs.labels }}
+
+
+  build-and-push-basic:
+    runs-on: ubuntu-22.04
+    permissions:
+      contents: read
+      packages: write
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+
+      - name: Set up Python
+        uses: actions/setup-python@v2
+        with:
+          python-version: '3.12'
+
+      - name: Install uv package
+        run: |
+          pip install uv
+
+      - name: Install invenio-override
+        if: ${{ !startsWith( github.ref, 'refs/tags') }}
+        run: |
+          mkdir .venv
+          uv venv .venv
+          source .venv/bin/activate
+
+          if [[ '${{ github.event.inputs.invenio-override-branch }}' == '' ]]; then
+            INVENIO_OVERRIDE_BRANCH="main"
+          else
+            INVENIO_OVERRIDE_BRANCH="${{ github.event.inputs.invenio-override-branch }}"
+          fi
+
+          install_cmd='uv pip install git+https://github.com/sharedRDM/invenio-override@${INVENIO_OVERRIDE_BRANCH}'
+          eval "$install_cmd"
+
+      - name: Change pyproject.toml override branch
+        if: "${{ github.event.inputs.invenio-override-branch != '' && !startsWith( github.ref, 'refs/tags') }}"
+        run: sed -i 's/invenio-override", branch = "main"/invenio-override", branch = "${{ github.event.inputs.invenio-override-branch }}"/g' pyproject.toml
+
+      - name: Relock uv
+        run: |
+          source .venv/bin/activate
+          uv lock --upgrade
+          deactivate
+          rm -rf .venv
+
+      - name: Convert repository name to lowercase
+        run: echo "IMAGE_NAME=$(echo '${{ github.repository }}' | tr '[:upper:]' '[:lower:]')" >> $GITHUB_ENV
+
+      - name: Determine Docker tag (from tag or branch)
+        id: get_tag
+        run: |
+          if [[ "${{ github.ref }}" == refs/tags/* ]]; then
+            TAG_NAME="${GITHUB_REF#refs/tags/}"
+          else
+            TAG_NAME="${GITHUB_REF#refs/heads/}"
+          fi
+          echo "DOCKER_TAG=$TAG_NAME" >> $GITHUB_ENV
+
+      - name: Log in to the Container registry
+        uses: docker/login-action@f054a8b539a109f9f41c372932f1ae047eff08c9
+        with:
+          registry: ${{ env.REGISTRY }}
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Extract metadata (tags, labels) for Docker
+        id: meta
+        uses: docker/metadata-action@98669ae865ea3cffbcbaa878cf57c20bbf1c6c38
+        with:
+          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
+
+      - name: Build and push Basic Docker image
+        uses: docker/build-push-action@ad44023a93711e3deb337508980b4b5e9bcdc5dc
+        with:
+          context: .
+          file: Dockerfile.basic
+          push: true
+          tags: |
+            ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${{ env.DOCKER_TAG }}-basic
+          labels: ${{ steps.meta.outputs.labels }}
+
+
+  build-and-push-vanilla:
     runs-on: ubuntu-22.04
     permissions:
       contents: read
@@ -111,6 +302,28 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v3
 
+      - name: Set up Python
+        uses: actions/setup-python@v2
+        with:
+          python-version: '3.12'
+
+      - name: Install uv package
+        run: |
+          pip install uv
+
+      - name: Change pyproject.toml no override
+        run: sed -i 's/"invenio-override ~=0.0.6",//g' pyproject.toml
+
+      - name: Relock uv
+        run: |
+          mkdir .venv
+          uv venv .venv
+          source .venv/bin/activate
+          uv pip uninstall invenio-override
+          uv lock --upgrade
+          deactivate
+          rm -rf .venv
+
       - name: Convert repository name to lowercase
         run: echo "IMAGE_NAME=$(echo '${{ github.repository }}' | tr '[:upper:]' '[:lower:]')" >> $GITHUB_ENV
 
@@ -137,22 +350,25 @@ jobs:
         with:
           images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
 
-      - name: Build and push Theme Docker image
+      - name: Build and push Vanilla Docker image
         uses: docker/build-push-action@ad44023a93711e3deb337508980b4b5e9bcdc5dc
         with:
           context: .
-          file: Dockerfile.theme
+          file: Dockerfile.basic
           push: true
           tags: |
-            ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${{ env.DOCKER_TAG }}-theme
+            ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${{ env.DOCKER_TAG }}-vanilla
           labels: ${{ steps.meta.outputs.labels }}
 
+
   trigger-gitlab-pipeline:
     name: Trigger GitLab Pipeline
     runs-on: ubuntu-latest
     needs:
       - build-and-push-mug
-      - build-and-push-theme
+      - build-and-push-oer
+      - build-and-push-basic
+      - build-and-push-vanilla
 
     steps:
       - name: Set Docker tag environment
@@ -172,5 +388,5 @@ jobs:
           ACCESS_TOKEN: ${{ secrets.ACCESS_TOKEN }}
           PROJECT_ID: 45464
           REF_NAME: 'main'
-          PIPELINE_VARIABLES: '{"DOCKER_IMAGE_TAG":"${{ env.DOCKER_TAG }}", "DOCKER_IMAGE_TAG_INSTANCE":"mug"}'
+          PIPELINE_VARIABLES: '{"DOCKER_IMAGE_TAG":"${{ env.DOCKER_TAG }}", "DOCKER_IMAGE_TAG_INSTANCE":"${{ github.event.inputs.variant }}", "RECREATE_INSTANCE":"${{ github.event.inputs.recreate }}"}'
 
diff --git a/Dockerfile.theme b/Dockerfile.basic
similarity index 95%
rename from Dockerfile.theme
rename to Dockerfile.basic
index 5ecd850..c833c18 100644
--- a/Dockerfile.theme
+++ b/Dockerfile.basic
@@ -33,7 +33,7 @@ COPY --from=builder ${INVENIO_INSTANCE_PATH}/templates ${INVENIO_INSTANCE_PATH}/
 WORKDIR ${WORKING_DIR}/src
 
 COPY ./docker/uwsgi/ ${INVENIO_INSTANCE_PATH}
-COPY ./invenio.cfg ${INVENIO_INSTANCE_PATH}
+COPY ./themes/override-basic/invenio.cfg ${INVENIO_INSTANCE_PATH}
 RUN chown invenio:invenio .
 
 USER invenio
diff --git a/Dockerfile.oer b/Dockerfile.oer
new file mode 100644
index 0000000..3dcf001
--- /dev/null
+++ b/Dockerfile.oer
@@ -0,0 +1,43 @@
+# STAGE 1
+FROM ghcr.io/tu-graz-library/docker-invenio-base:main-builder AS builder
+
+COPY pyproject.toml uv.lock ./
+
+RUN uv sync --frozen
+
+# to use rspack
+ENV INVENIO_WEBPACKEXT_PROJECT="invenio_assets.webpack:rspack_project"
+
+COPY ./app_data/ ${INVENIO_INSTANCE_PATH}/app_data/
+COPY ./assets/ ${INVENIO_INSTANCE_PATH}/assets/
+COPY ./static/ ${INVENIO_INSTANCE_PATH}/static/
+COPY ./translations ${INVENIO_INSTANCE_PATH}/translations/
+COPY ./templates ${INVENIO_INSTANCE_PATH}/templates/
+
+# Replace variables.less
+COPY themes/MUG/variables.less /opt/env/lib/python3.12/site-packages/invenio_override/assets/semantic-ui/less/invenio_override/variables.less
+
+RUN invenio collect --verbose && invenio webpack create
+
+WORKDIR ${INVENIO_INSTANCE_PATH}/assets
+RUN pnpm install
+RUN pnpm run build
+
+# STAGE 2
+FROM ghcr.io/tu-graz-library/docker-invenio-base:main-frontend AS frontend
+
+COPY --from=builder ${VIRTUAL_ENV}/lib ${VIRTUAL_ENV}/lib
+COPY --from=builder ${VIRTUAL_ENV}/bin ${VIRTUAL_ENV}/bin
+COPY --from=builder ${INVENIO_INSTANCE_PATH}/app_data ${INVENIO_INSTANCE_PATH}/app_data
+COPY --from=builder ${INVENIO_INSTANCE_PATH}/static ${INVENIO_INSTANCE_PATH}/static
+COPY --from=builder ${INVENIO_INSTANCE_PATH}/translations ${INVENIO_INSTANCE_PATH}/translations
+COPY --from=builder ${INVENIO_INSTANCE_PATH}/templates ${INVENIO_INSTANCE_PATH}/templates
+
+WORKDIR ${WORKING_DIR}/src
+COPY ./docker/uwsgi/ ${INVENIO_INSTANCE_PATH}
+COPY ./themes/override-oer/invenio.cfg ${INVENIO_INSTANCE_PATH}
+RUN chown invenio:invenio .
+
+USER invenio
+
+ENTRYPOINT [ "bash", "-c"]
diff --git a/README.md b/README.md
index 0553ba0..add4a06 100644
--- a/README.md
+++ b/README.md
@@ -55,11 +55,14 @@ For detailed steps on working with UV, check the [Working with UV](./UV-GUIDE.md
 
 ## Docker Images
 
+Each image has a correspondent instance _variant_ that a user can choose to deploy.
+
 | Name | Description |
 |---|---|
-| ``Dockerfile`` | Dockerfile used to build base image, without theme. |
-| ``Dockerfile.mug`` | Dockerfile used to build MUG image. |
-| ``Dockerfile.theme`` | Dockerfile used to build default override theme image. |
+| ``Dockerfile`` | Dockerfile used to build base image, without theme. - no variant, used for local testing. |
+| ``Dockerfile.mug`` | Dockerfile used to build MUG image. (with Publications) - variant **mug** | 
+| ``Dockerfile.oer`` | Dockerfile used to build Educational Resources image (OER). - variant **oer** |
+| ``Dockerfile.basic`` | Dockerfile used to base invenio-override image (no OER or Publications) and also base invenio theme (without invenio-override) - variants **basic** and **vanilla** |
 
 
 ## CI/CD
diff --git a/pyproject.toml b/pyproject.toml
index c5d6bd3..f119f27 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -10,11 +10,12 @@ authors = [
 
 dependencies = [
     "invenio-app-rdm[opensearch2] ~=13.0.0b3.dev2",
+    "invenio-rdm-records>=18.11.0,<19.0.0",
     "invenio-logging[sentry_sdk]>=4.0.0,<5.0.0",
     "uwsgi >=2.0",
     "uwsgitop >=0.11",
     "uwsgi-tools >=1.1.1",
-    "invenio-override[marc21] ~=0.0.6",
+    "invenio-override ~=0.0.6",
 ]
 
 [tool.setuptools]
diff --git a/themes/override-base/additional.md b/themes/override-base/additional.md
new file mode 100644
index 0000000..a4370da
--- /dev/null
+++ b/themes/override-base/additional.md
@@ -0,0 +1 @@
+# Example config for instance installation with invenio-override withour OER and Publications (basic) or completely without invenio-override (vanilla invenioRDM).
\ No newline at end of file
diff --git a/themes/override-base/invenio.cfg b/themes/override-base/invenio.cfg
new file mode 100644
index 0000000..5c0f048
--- /dev/null
+++ b/themes/override-base/invenio.cfg
@@ -0,0 +1,296 @@
+"""
+InvenioRDM settings for instance project.
+
+This file was automatically generated by 'invenio-cli init'.
+
+For the full list of settings and their values, see
+https://inveniordm.docs.cern.ch/reference/configuration/.
+"""
+
+from datetime import datetime
+from invenio_i18n import lazy_gettext as _
+
+def _(x):  # needed to avoid start time failure with lazy strings
+    return x
+
+# Flask
+# =====
+# See https://flask.palletsprojects.com/en/1.1.x/config/
+
+# Define the value of the cache control header `max-age` returned by the server when serving
+# public files. Files will be cached by the browser for the provided number of seconds.
+# See flask documentation for more information:
+# https://flask.palletsprojects.com/en/2.1.x/config/#SEND_FILE_MAX_AGE_DEFAULT
+SEND_FILE_MAX_AGE_DEFAULT = 300
+
+# SECURITY WARNING: keep the secret key used in production secret!
+# Do not commit it to a source code repository.
+# TODO: Set
+SECRET_KEY = "CHANGE_ME"
+
+# Since HAProxy and Nginx route all requests no matter the host header
+# provided, the allowed hosts variable is set to localhost. In production it
+# should be set to the correct host and it is strongly recommended to only
+# route correct hosts to the application.
+TRUSTED_HOSTS = ["0.0.0.0", "localhost", "127.0.0.1"]
+
+
+# Flask-SQLAlchemy
+# ================
+# See https://flask-sqlalchemy.palletsprojects.com/en/2.x/config/
+
+# TODO: Set
+SQLALCHEMY_DATABASE_URI = "postgresql+psycopg2://instance:instance@localhost/instance"
+
+
+# Invenio-App
+# ===========
+# See https://invenio-app.readthedocs.io/en/latest/configuration.html
+
+APP_DEFAULT_SECURE_HEADERS = {
+    "content_security_policy": {
+        "default-src": [
+            "'self'",
+            "data:",  # for fonts
+            "'unsafe-inline'",  # for inline scripts and styles
+            "blob:",  # for pdf preview
+            # Add your own policies here (e.g. analytics)
+        ],
+    },
+    "content_security_policy_report_only": False,
+    "content_security_policy_report_uri": None,
+    "force_file_save": False,
+    "force_https": True,
+    "force_https_permanent": False,
+    "frame_options": "sameorigin",
+    "frame_options_allow_from": None,
+    "session_cookie_http_only": True,
+    "session_cookie_secure": True,
+    "strict_transport_security": True,
+    "strict_transport_security_include_subdomains": True,
+    "strict_transport_security_max_age": 31556926,  # One year in seconds
+    "strict_transport_security_preload": False,
+}
+
+
+# Flask-Babel
+# ===========
+# See https://python-babel.github.io/flask-babel/#configuration
+
+# # Default locale (language)
+# BABEL_DEFAULT_LOCALE = 'en'
+# # Default time zone
+# BABEL_DEFAULT_TIMEZONE = 'Europe/Zurich'
+
+
+# Invenio-I18N
+# ============
+# See https://invenio-i18n.readthedocs.io/en/latest/configuration.html
+
+# Other supported languages (do not include BABEL_DEFAULT_LOCALE in list).
+# I18N_LANGUAGES = [
+#     # ('de', _('German')),
+#     # ('tr', _('Turkish')),
+# ]
+
+
+# Invenio-Theme
+# =============
+# See https://invenio-theme.readthedocs.io/en/latest/configuration.html
+
+# Name used in header and UI
+THEME_SITENAME = "instance"
+# Frontpage title
+THEME_FRONTPAGE_TITLE = "instance"
+# Header logo
+# THEME_LOGO = 'images/invenio-rdm.svg'
+
+
+# Invenio-App-RDM
+# ===============
+# See https://github.com/inveniosoftware/invenio-app-rdm/blob/master/invenio_app_rdm/config.py
+
+# Instance's theme entrypoint file. Path relative to the ``assets/`` folder.
+INSTANCE_THEME_FILE = "./less/theme.less"
+
+# Email address for administrator emails (like file checksum alerts)
+APP_RDM_ADMIN_EMAIL_RECIPIENT = "info@instance.com"
+
+# Default values for the deposit form
+APP_RDM_DEPOSIT_FORM_DEFAULTS = {
+    "publication_date": lambda: datetime.now().strftime("%Y-%m-%d"),
+    "rights": [
+        {
+            "id": "cc-by-4.0",
+            "title": "Creative Commons Attribution 4.0 International",
+            "description": (
+                "The Creative Commons Attribution license allows "
+                "re-distribution and re-use of a licensed work "
+                "on the condition that the creator is "
+                "appropriately credited."
+            ),
+            "link": "https://creativecommons.org/licenses/by/4.0/legalcode",
+        }
+    ],
+    "publisher": "instance",
+}
+
+APP_RDM_DEPOSIT_FORM_AUTOCOMPLETE_NAMES = "search"  # "search_only" or "off"
+
+# Invenio-Records-Resources
+# =========================
+# See https://github.com/inveniosoftware/invenio-records-resources/blob/master/invenio_records_resources/config.py
+
+# TODO: Set with your own hostname when deploying to production
+SITE_UI_URL = "https://127.0.0.1"
+
+SITE_API_URL = "https://127.0.0.1/api"
+
+
+# Invenio-RDM-Records
+# ===================
+# See https://inveniordm.docs.cern.ch/customize/dois/
+DATACITE_ENABLED = False
+DATACITE_USERNAME = ""
+DATACITE_PASSWORD = ""
+DATACITE_PREFIX = ""
+DATACITE_TEST_MODE = True
+DATACITE_DATACENTER_SYMBOL = ""
+
+# Authentication - Invenio-Accounts and Invenio-OAuthclient
+# =========================================================
+# See: https://inveniordm.docs.cern.ch/customize/authentication/
+
+# Invenio-Accounts
+# ----------------
+# See https://github.com/inveniosoftware/invenio-accounts/blob/master/invenio_accounts/config.py
+ACCOUNTS_LOCAL_LOGIN_ENABLED = True  # enable local login
+SECURITY_REGISTERABLE = True  # local login: allow users to register
+SECURITY_RECOVERABLE = True  # local login: allow users to reset the password
+SECURITY_CHANGEABLE = True  # local login: allow users to change psw
+# SECURITY_CONFIRMABLE = True  # local login: users can confirm e-mail address
+SECURITY_LOGIN_WITHOUT_CONFIRMATION = (
+    True  # require users to confirm email before being able to login
+)
+
+# Invenio-OAuthclient
+# -------------------
+# See https://github.com/inveniosoftware/invenio-oauthclient/blob/master/invenio_oauthclient/config.py
+
+OAUTHCLIENT_REMOTE_APPS = {}  # configure external login providers
+
+from invenio_oauthclient.views.client import auto_redirect_login
+
+ACCOUNTS_LOGIN_VIEW_FUNCTION = (
+    auto_redirect_login  # autoredirect to external login if enabled
+)
+OAUTHCLIENT_AUTO_REDIRECT_TO_EXTERNAL_LOGIN = False  # autoredirect to external login
+
+# Invenio-UserProfiles
+# --------------------
+USERPROFILES_READ_ONLY = (
+    False  # allow users to change profile info (name, email, etc...)
+)
+
+# OAI-PMH
+# =======
+# See https://github.com/inveniosoftware/invenio-oaiserver/blob/master/invenio_oaiserver/config.py
+
+OAISERVER_ID_PREFIX = "instance.com"
+"""The prefix that will be applied to the generated OAI-PMH ids."""
+OAISERVER_ADMIN_EMAILS = [
+    "info@instance.com",
+]
+
+# Invenio-Search
+# --------------
+
+SEARCH_INDEX_PREFIX = "instance-"
+
+# Invenio-Users-Resources
+# -----------------------
+
+USERS_RESOURCES_ADMINISTRATION_ENABLED = True
+"""Enable the user administration"""
+
+# Invenio-Administration
+# ----------------------
+
+from invenio_app_rdm import __version__
+
+ADMINISTRATION_DISPLAY_VERSIONS = [
+    ("invenio-app-rdm", f"v{__version__}"),
+    ("instance", "v1.0.0"),
+]
+
+# Invenio-I18N
+# ============
+# See https://invenio-i18n.readthedocs.io/en/latest/configuration.html
+BABEL_DEFAULT_LOCALE = "en"
+# Default time zone
+BABEL_DEFAULT_TIMEZONE = "Europe/Vienna"
+# Other supported languages (do not include BABEL_DEFAULT_LOCALE in list).
+I18N_LANGUAGES = [("de", _("German"))]
+
+
+# Extras
+# --------------
+# INVENIO_THEME_SHOW_FRONTPAGE_INTRO_SECTION=False
+THEME_SHOW_FRONTPAGE_INTRO_SECTION = False
+"""Set True for frontpage Intro."""
+
+RDM_USER_MODERATION_ENABLED = True
+"""User moderation feature enabled."""
+
+RDM_SEARCH_SORT_BY_VERIFIED = True
+"""Enable the sorting of records by verified."""
+
+USERS_RESOURCES_ADMINISTRATION_ENABLED = True
+"""Enable user administration."""
+
+USERS_RESOURCES_GROUPS_ENABLED = True
+"""Config to enable features related to existence of groups."""
+
+COMMUNITIES_ADMINISTRATION_DISABLED = False  # this enables it
+"""Enable communities administration."""
+
+APP_RDM_SUBCOMMUNITIES_LABEL = "Projects"
+"""Label for subcommunities in communities browse page."""
+
+COMMUNITIES_SHOW_BROWSE_MENU_ENTRY = True
+"""Toggle to show or hide the 'Browse' menu entry for communities."""
+
+JOBS_ADMINISTRATION_ENABLED = True
+"""Enable Jobs administration view."""
+
+# Invenio-Override
+# --------------
+
+# # # LOGO
+# #INVENIO_OVERRIDE_LOGO=images/MUG.svg
+# OVERRIDE_LOGO = "images/MUG.svg"
+# """override logo"""
+
+# #INVENIO_OVERRIDE_FAVICON=mug.ico
+# OVERRIDE_FAVICON = "mug.ico"
+# """override favicon"""
+
+# #INVENIO_OVERRIDE_PRODUCTION=True
+# OVERRIDE_PRODUCTION = True
+# """Enable/Disable notice."""
+
+# #INVENIO_OVERRIDE_ICON=images/icon_use.png
+# OVERRIDE_ICON = "images/icon_use.png"
+# """Icon used in login page"""
+
+# #INVENIO_OVERRIDE_CONTACT_FORM=False
+# OVERRIDE_CONTACT_FORM = False
+# """Enable/Disable Contact form."""
+
+# #INVENIO_OVERRIDE_SHIBBOLETH=False
+# OVERRIDE_SHIBBOLETH = False
+# """Set True if SAML is configured"""
+
+# #INVENIO_OVERRIDE_FRONTPAGE_RIGHT=False
+# OVERRIDE_FRONTPAGE_RIGHT = True
+# """Frontpage right section"""
diff --git a/themes/override-oer/additional.md b/themes/override-oer/additional.md
new file mode 100644
index 0000000..7bc3489
--- /dev/null
+++ b/themes/override-oer/additional.md
@@ -0,0 +1 @@
+# Example config for installation with invenio-override and OER
\ No newline at end of file
diff --git a/themes/override-oer/invenio.cfg b/themes/override-oer/invenio.cfg
new file mode 100644
index 0000000..d0e45af
--- /dev/null
+++ b/themes/override-oer/invenio.cfg
@@ -0,0 +1,325 @@
+"""
+InvenioRDM settings for instance project.
+
+This file was automatically generated by 'invenio-cli init'.
+
+For the full list of settings and their values, see
+https://inveniordm.docs.cern.ch/reference/configuration/.
+"""
+
+from datetime import datetime
+from invenio_i18n import lazy_gettext as _
+from invenio_oauthclient.contrib.keycloak import KeycloakSettingsHelper
+
+def _(x):  # needed to avoid start time failure with lazy strings
+    return x
+
+# ============================================================================
+# Flask Configuration
+# See https://flask.palletsprojects.com/en/1.1.x/config/
+# Define the value of the cache control header `max-age` returned by the server when serving
+# public files. Files will be cached by the browser for the provided number of seconds.
+# See flask documentation for more information:
+# https://flask.palletsprojects.com/en/2.1.x/config/#SEND_FILE_MAX_AGE_DEFAULT
+# ============================================================================
+SEND_FILE_MAX_AGE_DEFAULT = 300
+
+# SECURITY WARNING: keep the secret key used in production secret!
+# Do not commit it to a source code repository.
+# TODO: Set
+SECRET_KEY="CHANGE_ME"
+
+# Since HAProxy and Nginx route all requests no matter the host header
+# provided, the allowed hosts variable is set to localhost. In production it
+# should be set to the correct host and it is strongly recommended to only
+# route correct hosts to the application.
+TRUSTED_HOSTS = ['0.0.0.0', 'localhost', '127.0.0.1']
+
+
+# ============================================================================
+# Flask-SQLAlchemy Configuration
+# See https://flask-sqlalchemy.palletsprojects.com/en/2.x/config/
+# ============================================================================
+# TODO: Set
+SQLALCHEMY_DATABASE_URI="postgresql+psycopg2://instance:instance@localhost/instance"
+
+
+# ============================================================================
+# Invenio-App Configuration
+# See https://invenio-app.readthedocs.io/en/latest/configuration.html
+# ============================================================================
+APP_DEFAULT_SECURE_HEADERS = {
+    'content_security_policy': {
+        'default-src': [
+            "'self'",
+            'data:', # for fonts
+            "'unsafe-inline'",  # for inline scripts and styles
+            "blob:",            # for pdf preview
+            # Add your own policies here (e.g. analytics)
+        ],
+    },
+    'content_security_policy_report_only': False,
+    'content_security_policy_report_uri': None,
+    'force_file_save': False,
+    'force_https': True,
+    'force_https_permanent': False,
+    'frame_options': 'sameorigin',
+    'frame_options_allow_from': None,
+    'session_cookie_http_only': True,
+    'session_cookie_secure': True,
+    'strict_transport_security': True,
+    'strict_transport_security_include_subdomains': True,
+    'strict_transport_security_max_age': 31556926,  # One year in seconds
+    'strict_transport_security_preload': False,
+}
+
+# ============================================================================
+# Flask-Babel Configuration
+# See https://python-babel.github.io/flask-babel/#configuration
+# ============================================================================
+# # Default locale (language)
+# BABEL_DEFAULT_LOCALE = 'en'
+# # Default time zone
+# BABEL_DEFAULT_TIMEZONE = 'Europe/Zurich'
+
+# ============================================================================
+# Invenio-I18N
+# See https://invenio-i18n.readthedocs.io/en/latest/configuration.html
+# Other supported languages (do not include BABEL_DEFAULT_LOCALE in list).
+# ============================================================================
+# I18N_LANGUAGES = [
+#     # ('de', _('German')),
+#     # ('tr', _('Turkish')),
+# ]
+
+
+# ============================================================================
+# Invenio-Theme Configuration
+# See https://invenio-theme.readthedocs.io/en/latest/configuration.html
+# See https://github.com/inveniosoftware/invenio-app-rdm/blob/master/invenio_app_rdm/config.py
+# ============================================================================
+# Name used in header and UI
+THEME_SITENAME = "instance"
+# Frontpage title
+THEME_FRONTPAGE_TITLE = "instance"
+# Header logo
+# THEME_LOGO = 'images/invenio-rdm.svg'
+
+# Instance's theme entrypoint file. Path relative to the ``assets/`` folder.
+INSTANCE_THEME_FILE = './less/theme.less'
+
+# Email address for administrator emails (like file checksum alerts)
+APP_RDM_ADMIN_EMAIL_RECIPIENT = "info@instance.com"
+
+# Default values for the deposit form
+APP_RDM_DEPOSIT_FORM_DEFAULTS = {
+    "publication_date": lambda: datetime.now().strftime("%Y-%m-%d"),
+    "rights": [
+        {
+            "id": "cc-by-4.0",
+            "title": "Creative Commons Attribution 4.0 International",
+            "description": ("The Creative Commons Attribution license allows "
+                            "re-distribution and re-use of a licensed work "
+                            "on the condition that the creator is "
+                            "appropriately credited."),
+            "link": "https://creativecommons.org/licenses/by/4.0/legalcode",
+        }
+    ],
+    "publisher": "instance",
+}
+
+APP_RDM_DEPOSIT_FORM_AUTOCOMPLETE_NAMES = 'search' # "search_only" or "off"
+
+# ============================================================================
+# Invenio-Records-Resources
+# See https://github.com/inveniosoftware/invenio-records-resources/blob/master/invenio_records_resources/config.py
+# ============================================================================
+# TODO: Set with your own hostname when deploying to production
+SITE_UI_URL = "https://127.0.0.1"
+SITE_API_URL = "https://127.0.0.1/api"
+
+# ============================================================================
+# Invenio-RDM-Records
+# See https://inveniordm.docs.cern.ch/customize/dois/
+# ============================================================================
+DATACITE_ENABLED = False
+DATACITE_USERNAME = ""
+DATACITE_PASSWORD = ""
+DATACITE_PREFIX = ""
+DATACITE_TEST_MODE = True
+DATACITE_DATACENTER_SYMBOL = ""
+
+# =========================================================
+# Authentication - Invenio-Accounts and Invenio-OAuthclient
+# See: https://inveniordm.docs.cern.ch/customize/authentication/
+# =========================================================
+
+# ============================================================================
+# Invenio-Accounts
+# ============================================================================
+# See https://github.com/inveniosoftware/invenio-accounts/blob/master/invenio_accounts/config.py
+ACCOUNTS_LOCAL_LOGIN_ENABLED = True  # enable local login
+SECURITY_REGISTERABLE = True  # local login: allow users to register
+SECURITY_RECOVERABLE = True  # local login: allow users to reset the password
+SECURITY_CHANGEABLE = True  # local login: allow users to change psw
+SECURITY_CONFIRMABLE = True  # local login: users can confirm e-mail address
+SECURITY_LOGIN_WITHOUT_CONFIRMATION = True # require users to confirm email before being able to login
+
+# ============================================================================
+# Invenio-OAuthclient
+# See https://github.com/inveniosoftware/invenio-oauthclient/blob/master/invenio_oauthclient/config.py
+# ============================================================================
+OAUTHCLIENT_REMOTE_APPS = {}  # configure external login providers
+
+from invenio_oauthclient.views.client import auto_redirect_login
+ACCOUNTS_LOGIN_VIEW_FUNCTION = auto_redirect_login  # autoredirect to external login if enabled
+OAUTHCLIENT_AUTO_REDIRECT_TO_EXTERNAL_LOGIN = False  # autoredirect to external login
+
+# ============================================================================
+# Invenio-UserProfiles
+# ============================================================================
+USERPROFILES_READ_ONLY = True  # allow users to change profile info (name, email, etc...)
+
+# ============================================================================
+# OAI-PMH
+# See https://github.com/inveniosoftware/invenio-oaiserver/blob/master/invenio_oaiserver/config.py
+# ============================================================================
+OAISERVER_ID_PREFIX = "instance.com"
+"""The prefix that will be applied to the generated OAI-PMH ids."""
+OAISERVER_ADMIN_EMAILS = [
+    "info@instance.com",
+]
+
+# ============================================================================
+# Invenio - Search Configuration
+# ============================================================================
+# Prefix for Elasticsearch indexes to avoid conflicts in shared environments.
+SEARCH_INDEX_PREFIX = "instance-"
+
+# ============================================================================
+# Invenio-Users-Resources
+# ============================================================================
+USERS_RESOURCES_ADMINISTRATION_ENABLED = True
+"""Enable the user administration"""
+
+# ============================================================================
+# Invenio-Administration
+# ============================================================================
+from invenio_app_rdm import __version__
+ADMINISTRATION_DISPLAY_VERSIONS = [
+    ("invenio-app-rdm", f"v{__version__}"),
+    ("instance", "v1.0.0"),
+]
+
+# ============================================================================
+# Invenio-I18N
+# ============================================================================
+# See https://invenio-i18n.readthedocs.io/en/latest/configuration.html
+BABEL_DEFAULT_LOCALE = "en"
+# Default time zone
+BABEL_DEFAULT_TIMEZONE = "Europe/Vienna"
+# Other supported languages (do not include BABEL_DEFAULT_LOCALE in list).
+I18N_LANGUAGES = []
+
+# ============================================================================
+# Extras
+# ============================================================================
+#INVENIO_THEME_SHOW_FRONTPAGE_INTRO_SECTION=False
+THEME_SHOW_FRONTPAGE_INTRO_SECTION = False
+"""Set True for frontpage Intro."""
+
+RDM_USER_MODERATION_ENABLED = True
+"""User moderation feature enabled."""
+
+RDM_SEARCH_SORT_BY_VERIFIED = True
+"""Enable the sorting of records by verified."""
+
+USERS_RESOURCES_ADMINISTRATION_ENABLED = True
+"""Enable user administration."""
+
+USERS_RESOURCES_GROUPS_ENABLED = True
+"""Config to enable features related to existence of groups."""
+
+COMMUNITIES_ADMINISTRATION_DISABLED = False  # this enables it
+"""Enable communities administration."""
+
+APP_RDM_SUBCOMMUNITIES_LABEL = "Projects"
+"""Label for subcommunities in communities browse page."""
+
+COMMUNITIES_SHOW_BROWSE_MENU_ENTRY = True
+"""Toggle to show or hide the 'Browse' menu entry for communities."""
+
+JOBS_ADMINISTRATION_ENABLED = True
+"""Enable Jobs administration view."""
+
+# ============================================================================
+# Invenio-override
+# Configure theme elements, such as logos, icons, and footer templates.
+# ============================================================================
+#INVENIO_OVERRIDE_LOGO=images/MUG.svg
+OVERRIDE_LOGO = "images/invenio-rdm.svg"
+"""override logo"""
+
+#INVENIO_OVERRIDE_PRODUCTION=True
+OVERRIDE_PRODUCTION = True
+"""Enable/Disable notice."""
+
+#INVENIO_OVERRIDE_ICON=images/icon_use.png
+OVERRIDE_ICON = "images/icon_use.png"
+"""Icon used in login page"""
+
+#INVENIO_OVERRIDE_CONTACT_FORM=False
+OVERRIDE_CONTACT_FORM = True
+"""Enable/Disable Contact form."""
+
+#INVENIO_OVERRIDE_SHIBBOLETH=False
+OVERRIDE_SHIBBOLETH = False
+"""Set True if SAML is configured"""
+
+#INVENIO_OVERRIDE_FRONTPAGE_RIGHT=False
+OVERRIDE_FRONTPAGE_RIGHT = False
+"""Frontpage right section"""
+
+# Right Section Configuration
+# --------------
+OVERRIDE_RIGHT_SECTION_TITLE = True
+"""Title for the right section."""
+
+OVERRIDE_SHOW_RIGHT_CONTACT_EMAILL = True
+"""Contact Email for the right section."""
+
+OVERRIDE_RIGHT_SECTION_CONTACT_EMAIL = "rdmsupport@tugraz.at"
+"""Contact email displayed in the right section."""
+
+# Theme and Templates
+# --------------
+OVERRIDE_RESOURCE_OVERVIEW = True
+"""Resource overview section"""
+
+# ============================================================================
+# Invenio-override - Global Search Configuration
+# ============================================================================
+OVERRIDE_SHOW_PUBLICATIONS_SEARCH = False
+"""Enable or disable the publication global search feature."""
+
+OVERRIDE_SHOW_EDUCATIONAL_RESOURCES = True
+"""Enable or disable the educational resources global search feature."""
+
+USER_DASHBOARD_MENU_OVERRIDES = {
+      "uploads": {
+        "text": _("Research Results"),
+      },
+}
+"""Override the Uploads menu title"""
+
+GLOBAL_SEARCH_SCHEMAS = {
+    "rdm": {
+        "schema": "rdm",
+        "name_l10n": "Research Result",
+    },
+    "marc21": {
+        "schema": "lom",
+        "name_l10n": "OER",
+    },
+}
+"""Mapping of original schemas for global search."""