add minimum image type

.dockerignore

@@ -1,2 +1,11 @@
 .venv
 .env
+.git
+.gitignore
+.github
+Dockerfile
+examples
+docs
+*.md
+dev.sh
+dev-docker.sh

.github/workflows/docker-build.yaml

@@ -188,6 +188,93 @@ jobs:
           if-no-files-found: error
           retention-days: 1
   
+  build-minimum-image:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
+    strategy:
+      fail-fast: false
+      matrix:
+        platform:
+          - linux/amd64
+          - linux/arm64
+
+    steps:
+      - name: Prepare
+        run: |
+          platform=${{ matrix.platform }}
+          echo "PLATFORM_PAIR=${platform//\//-}" >> $GITHUB_ENV
+
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Log in to the Container registry
+        uses: docker/login-action@v3
+        with:
+          registry: ${{ env.REGISTRY }}
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Extract metadata for Docker images (default latest tag)
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: ${{ env.FULL_IMAGE_NAME }}
+          tags: |
+            type=ref,event=branch
+            type=ref,event=tag
+            type=sha,prefix=git-
+            type=semver,pattern={{version}}
+            type=semver,pattern={{major}}.{{minor}}
+          flavor: |
+            latest=${{ github.ref == 'refs/heads/main' }}
+
+      - name: Extract metadata for Docker cache
+        id: cache-meta
+        uses: docker/metadata-action@v5
+        with:
+          images: ${{ env.FULL_IMAGE_NAME }}
+          tags: |
+            type=ref,event=branch
+          flavor: |
+            prefix=cache-${{ matrix.platform }}-
+
+      - name: Build Docker image (latest)
+        uses: docker/build-push-action@v5
+        id: build
+        with:
+          context: .
+          push: true
+          platforms: ${{ matrix.platform }}
+          labels: ${{ steps.meta.outputs.labels }}
+          outputs: type=image,name=${{ env.FULL_IMAGE_NAME }},push-by-digest=true,name-canonical=true,push=true
+          cache-from: type=registry,ref=${{ steps.cache-meta.outputs.tags }}
+          cache-to: type=registry,ref=${{ steps.cache-meta.outputs.tags }},mode=max
+          build-args: |
+            BUILD_HASH=${{ github.sha }}
+            MINIMUM_BUILD=true
+
+      - name: Export digest
+        run: |
+          mkdir -p /tmp/digests
+          digest="${{ steps.build.outputs.digest }}"
+          touch "/tmp/digests/${digest#sha256:}"
+
+      - name: Upload digest
+        uses: actions/upload-artifact@v4
+        with:
+          name: digests-minimum-${{ env.PLATFORM_PAIR }}
+          path: /tmp/digests/*
+          if-no-files-found: error
+          retention-days: 1
+
   merge-main-images:
     runs-on: ubuntu-latest
     needs: [build-main-image]
@@ -275,3 +362,48 @@ jobs:
       - name: Inspect image
         run: |
           docker buildx imagetools inspect ${{ env.FULL_IMAGE_NAME }}:${{ steps.meta.outputs.version }}
+
+  merge-minimum-images:
+    runs-on: ubuntu-latest
+    needs: [build-minimum-image]
+    steps:
+      - name: Download digests
+        uses: actions/download-artifact@v4
+        with:
+          pattern: digests-minimum-*
+          path: /tmp/digests
+          merge-multiple: true
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Log in to the Container registry
+        uses: docker/login-action@v3
+        with:
+          registry: ${{ env.REGISTRY }}
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Extract metadata for Docker images (default latest tag)
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: ${{ env.FULL_IMAGE_NAME }}
+          tags: |
+            type=ref,event=branch
+            type=ref,event=tag
+            type=sha,prefix=git-
+            type=raw,enable=${{ github.ref == 'refs/heads/main' }},prefix=,suffix=,value=minimum
+          flavor: |
+            latest=${{ github.ref == 'refs/heads/main' }}
+            suffix=-minimum,onlatest=true
+
+      - name: Create manifest list and push
+        working-directory: /tmp/digests
+        run: |
+          docker buildx imagetools create $(jq -cr '.tags | map("-t " + .) | join(" ")' <<< "$DOCKER_METADATA_OUTPUT_JSON") \
+            $(printf '${{ env.FULL_IMAGE_NAME }}@sha256:%s ' *)
+
+      - name: Inspect image
+        run: |
+          docker buildx imagetools inspect ${{ env.FULL_IMAGE_NAME }}:${{ steps.meta.outputs.version }}

Dockerfile

@@ -1,6 +1,7 @@
-FROM python:3.11-slim-bookworm as base
+FROM python:3.11-slim-bookworm AS base
 
 # Use args
+ARG MINIMUM_BUILD
 ARG USE_CUDA
 ARG USE_CUDA_VER
 
@@ -8,11 +9,12 @@ ARG USE_CUDA_VER
 ENV ENV=prod \
     PORT=9099 \
     # pass build args to the build
+    MINIMUM_BUILD=${MINIMUM_BUILD} \
     USE_CUDA_DOCKER=${USE_CUDA} \
     USE_CUDA_DOCKER_VER=${USE_CUDA_VER}
 
-
-# Install GCC and build tools
+# Install GCC and build tools. 
+# These are kept in the final image to enable installing packages on the fly.
 RUN apt-get update && \
     apt-get install -y gcc build-essential curl git && \
     apt-get clean && \
@@ -22,13 +24,20 @@ WORKDIR /app
 
 # Install Python dependencies
 COPY ./requirements.txt .
-RUN pip3 install uv && \
-    if [ "$USE_CUDA" = "true" ]; then \
+COPY ./requirements-minimum.txt .
+RUN pip3 install uv
+RUN if [ "$MINIMUM_BUILD" != "true" ]; then \
+        if [ "$USE_CUDA_DOCKER" = "true" ]; then \
             pip3 install torch torchvision torchaudio --index-url https://download.pytorch.org/whl/$USE_CUDA_DOCKER_VER --no-cache-dir; \
         else \
             pip3 install torch torchvision torchaudio --index-url https://download.pytorch.org/whl/cpu --no-cache-dir; \    
+        fi \
+    fi
+RUN if [ "$MINIMUM_BUILD" = "true" ]; then \
+        uv pip install --system -r requirements-minimum.txt --no-cache-dir; \
+    else \
+        uv pip install --system -r requirements.txt --no-cache-dir; \
     fi
-RUN uv pip install --system -r requirements.txt --no-cache-dir
 
 # Copy the application code
 COPY . .

requirements-minimum.txt

@@ -0,0 +1,15 @@
+fastapi==0.111.0
+uvicorn[standard]==0.22.0
+pydantic==2.7.1
+python-multipart==0.0.9
+python-socketio
+grpcio
+
+passlib==1.7.4
+passlib[bcrypt]
+PyJWT[crypto]
+
+requests==2.32.2
+aiohttp==3.9.5
+httpx
+