Build and upload server as a single executable

.github/workflows/backend.yml

@@ -9,11 +9,46 @@ on:
       - master
 
 jobs:
+  build:
+    strategy:
+      matrix:
+        os: [ubuntu-latest, macos-latest, windows-latest]
+
+    runs-on: ${{ matrix.os }}
+
+    defaults:
+      run:
+        working-directory: backend
+
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions/setup-python@v2
+        with:
+          python-version: 3.8
+      - run: python -m pip install -r requirements.txt -r requirements-dev.txt
+      - run: python -m PyInstaller --onefile app.py
+      - uses: actions/upload-artifact@v2
+        with:
+          name: "server_${{ matrix.os }}"
+          path: backend/dist
+
   release:
-    runs-on: ubuntu-latest
     if: github.ref == 'refs/heads/master'
+
+    strategy:
+      matrix:
+        os: [ubuntu-latest]
+
+    runs-on: ${{ matrix.os }}
+
+    needs: build
+
     steps:
       - uses: actions/checkout@v2
+      - uses: actions/download-artifact@v2
+        with:
+          name: "server_${{ matrix.os }}"
+          path: backend/dist
       - uses: docker/build-push-action@v1
         with:
           dockerfile: backend/Dockerfile

README.md

@@ -30,6 +30,10 @@ This projects aims to offer a comprehensive guide to **record polysomnographic E
 - Fetch Flutter dependencies through the `Flutter` extension
 - Start dev server by running `python backend/app.py`
 
+## Building the server as a single executable
+
+Run `python -m PyInstaller --onefile app.py`
+
 ## Running the server locally
 
 - [Login](https://docs.github.com/en/free-pro-team@latest/packages/using-github-packages-with-your-projects-ecosystem/configuring-docker-for-use-with-github-packages#authenticating-with-a-personal-access-token) to Github Docker registry

backend/Dockerfile

@@ -1,5 +1,4 @@
-FROM python
-COPY backend /backend
-WORKDIR /backend
-RUN pip3 install -r requirements.txt --no-cache-dir
-CMD ["python", "app.py"]
+FROM ubuntu
+COPY backend/dist/ /
+RUN chmod +x /app
+CMD /app

backend/requirements-dev.txt

@@ -0,0 +1 @@
+pyinstaller==4.0