add aws lambda build

.dockerignore

@@ -1,3 +1,4 @@
+.git
 build/
 node_modules/
 docs/

.github/workflows/build_release_aws_x64.yml

@@ -0,0 +1,53 @@
+name: Build Pre-build Packages for AWS
+
+on:
+  workflow_dispatch:
+  push:
+    tags:
+      - "*"
+
+concurrency:
+  group: release
+  cancel-in-progress: false
+
+jobs:
+  build:
+    environment: release
+    runs-on: ubuntu-latest
+    permissions:
+      contents: write
+    steps:
+      - uses: actions/checkout@v3
+        with:
+          submodules: "true"
+      - name: Setup Node.js 18
+        uses: actions/setup-node@v3
+        with:
+          node-version: 18
+      - name: NPM Pack
+        run: npm pack
+      - name: Rename Package
+        run: mv faiss-node-*.tgz faiss-node.tgz
+      - name: Build & test
+        run: docker build -f Dockerfile.buildaws -t faiss-build-aws .
+      - name: Get Version
+        id: version
+        run: |
+          VERSION=$(node -p -e "require('./package.json').version")
+          echo $VERSION
+          echo VERSION=$VERSION >> "$GITHUB_OUTPUT"
+      - name: Package
+        run: |
+          tempid=$(docker create faiss-build-aws)
+          docker cp $tempid:/var/task aws
+          docker rm -v $tempid
+          cd aws && ls -laht
+          mkdir nodejs && mv node_modules nodejs/node_modules && ln -s nodejs/node_modules node_modules
+          zip -r --symlinks faiss-node-v${{ steps.version.outputs.VERSION }}-aws-x64.zip .
+      - name: Upload to Release
+        uses: softprops/action-gh-release@v1
+        with:
+          draft: true
+          fail_on_unmatched_files: true
+          files: aws/*.zip
+          tag_name: "v${{ steps.version.outputs.VERSION }}"

Dockerfile.buildaws

@@ -0,0 +1,29 @@
+FROM public.ecr.aws/lambda/nodejs:18 as build
+COPY package*.json ./
+RUN npm ci --ignore-scripts
+
+RUN yum -y install wget tar gzip gcc gcc-c++ make lapack-devel patchelf
+RUN wget -q https://github.com/Kitware/CMake/releases/download/v3.27.0/cmake-3.27.0-linux-x86_64.sh && \
+    sh cmake-3.27.0-linux-x86_64.sh --skip-license --exclude-subdir --prefix=/usr/local
+
+RUN patchelf --set-rpath "\$ORIGIN/" /lib64/libgfortran.so.4
+
+ENTRYPOINT ["tail"]
+CMD ["-f","/dev/null"]
+COPY . .
+RUN npm run build:test
+
+
+FROM public.ecr.aws/lambda/nodejs:18
+COPY faiss-node.tgz ./
+RUN npm init -y && npm i faiss-node.tgz --ignore-scripts && rm faiss-node.tgz
+COPY examples/index-aws.js index.js
+COPY --from=build /var/task/build/Release/faiss-node.node node_modules/faiss-node/build/Release/faiss-node.node
+COPY --from=build /var/task/build/Release/libfaiss.a node_modules/faiss-node/build/Release/libfaiss.a
+COPY --from=build /lib64/libgomp.so.1 node_modules/faiss-node/build/Release/libgomp.so.1
+COPY --from=build /lib64/libpthread.so.0 node_modules/faiss-node/build/Release/libpthread.so.0
+COPY --from=build /lib64/libblas.so.3 node_modules/faiss-node/build/Release/libblas.so.3
+COPY --from=build /lib64/liblapack.so.3 node_modules/faiss-node/build/Release/liblapack.so.3
+COPY --from=build /lib64/libgfortran.so.4 node_modules/faiss-node/build/Release/libgfortran.so.4
+COPY --from=build /lib64/libquadmath.so.0 node_modules/faiss-node/build/Release/libquadmath.so.0
+RUN node index.js

Dockerfile.debugaws

@@ -0,0 +1,12 @@
+FROM public.ecr.aws/lambda/nodejs:18
+COPY package*.json ./
+RUN npm ci --ignore-scripts
+
+RUN yum -y install wget tar gzip gcc gcc-c++ make lapack-devel
+RUN wget -q https://github.com/Kitware/CMake/releases/download/v3.27.0/cmake-3.27.0-linux-x86_64.sh && \
+    sh cmake-3.27.0-linux-x86_64.sh --skip-license --exclude-subdir --prefix=/usr/local
+
+COPY . .
+
+ENTRYPOINT ["tail"]
+CMD ["-f","/dev/null"]

examples/index-aws.js

@@ -0,0 +1,22 @@
+const { IndexFlatL2 } = require('faiss-node');
+
+exports.handler = async function(event, context) {
+    const dimension = 2;
+    const index = new IndexFlatL2(dimension);
+
+    console.log(index.getDimension());
+    console.log(index.isTrained());
+    console.log(index.ntotal());
+    index.add([1, 0]);
+    index.add([1, 2]);
+    index.add([1, 3]);
+    index.add([1, 1]);
+    console.log(index.ntotal());
+
+    const k = 4;
+    const results = index.search([1, 0], k);
+    console.log(results.labels);
+    console.log(results.distances);
+
+    return results;
+};

examples/index.js

@@ -1,4 +1,4 @@
-const { IndexFlatL2 } = require('../lib/index');
+const { IndexFlatL2 } = require('faiss-node');
 
 const dimension = 2;
 const index = new IndexFlatL2(dimension);