Add docker multi-arch build with github package push and cleaned up Dockerfile for smaller builds

.dockerignore

@@ -12,3 +12,4 @@ LICENSE
 Makefile
 NOTICE
 README.md
+.venv

.github/workflows/docker-build.yml

@@ -0,0 +1,128 @@
+name: docker-build
+
+on:
+  release:
+    types: [published]
+
+env:
+  REGISTRY: ghcr.io
+
+jobs:
+  variables:
+    outputs:
+      repository: ${{ steps.var.outputs.repository}}
+    runs-on: "ubuntu-latest"
+    steps:
+      - name: Setting global variables
+        uses: actions/github-script@v6
+        id: var
+        with:
+          script: |
+            core.setOutput('repository', '${{ github.repository }}'.toLowerCase());
+  build:
+    needs:
+      - variables
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
+      attestations: write
+      id-token: write
+    strategy:
+      fail-fast: false
+      matrix:
+        platform:
+          - linux/amd64
+          - linux/arm64
+    steps:
+      - name: Prepare
+        run: |
+          platform=${{ matrix.platform }}
+          echo "PLATFORM_PAIR=${platform//\//-}" >> $GITHUB_ENV
+
+      - name: Docker meta
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: "${{ env.REGISTRY }}/${{ needs.variables.outputs.repository }}"
+
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Login to GitHub
+        uses: docker/login-action@v3
+        with:
+          registry: ${{ env.REGISTRY }}
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Build and push by digest
+        id: build
+        uses: docker/build-push-action@v6
+        with:
+          platforms: ${{ matrix.platform }}
+          labels: ${{ steps.meta.outputs.labels }}
+          outputs: type=image,name=${{ env.REGISTRY }}/${{ needs.variables.outputs.repository }},push-by-digest=true,name-canonical=true,push=true
+
+      - name: Generate artifact attestation
+        uses: actions/attest-build-provenance@v1
+        with:
+          subject-name: "${{ env.REGISTRY }}/${{ needs.variables.outputs.repository }}"
+          subject-digest: ${{ steps.build.outputs.digest }}
+          push-to-registry: true
+
+      - name: Export digest
+        run: |
+          mkdir -p /tmp/digests
+          digest="${{ steps.build.outputs.digest }}"
+          touch "/tmp/digests/${digest#sha256:}"
+
+      - name: Upload digest
+        uses: actions/upload-artifact@v4
+        with:
+          name: digests-${{ env.PLATFORM_PAIR }}
+          path: /tmp/digests/*
+          if-no-files-found: error
+          retention-days: 1
+
+  merge:
+    runs-on: ubuntu-latest
+    needs:
+      - build
+      - variables
+    steps:
+      - name: Download digests
+        uses: actions/download-artifact@v4
+        with:
+          path: /tmp/digests
+          pattern: digests-*
+          merge-multiple: true
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Docker meta
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: "${{ env.REGISTRY }}/${{ needs.variables.outputs.repository }}"
+
+      - name: Login to GitHub
+        uses: docker/login-action@v3
+        with:
+          registry: ${{ env.REGISTRY }}
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - 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.REGISTRY }}/${{ needs.variables.outputs.repository }}@sha256:%s ' *)
+
+      - name: Inspect image
+        run: |
+          docker buildx imagetools inspect ${{ env.REGISTRY }}/${{ needs.variables.outputs.repository }}:${{ steps.meta.outputs.version }}

Dockerfile

@@ -1,25 +1,22 @@
-ARG PYTHON_VERSION=3.12.6
+ARG PYTHON_VERSION=3.12.7
 FROM python:${PYTHON_VERSION}-slim
 
 LABEL source="https://github.com/Akkudoktor-EOS/EOS"
 
 EXPOSE 5000
 
-ARG APT_OPTS="--yes --auto-remove --no-install-recommends --no-install-suggests"
-RUN DEBIAN_FRONTEND=noninteractive \
-	apt-get update \
-	&& apt-get install ${APT_OPTS} gcc libhdf5-dev libmariadb-dev pkg-config \
-	&& rm -rf /var/lib/apt/lists/*
-
-WORKDIR /var/lib/eos
 WORKDIR	/opt/eos
 
-COPY requirements.txt requirements.txt
-
-RUN pip install --no-cache-dir -r requirements.txt
-
 COPY . .
-COPY config.py config.py
+
+ARG APT_OPTS="--yes --auto-remove --no-install-recommends --no-install-suggests"
+
+RUN DEBIAN_FRONTEND=noninteractive \
+	apt-get update \
+	&& apt-get install ${APT_OPTS} gcc libhdf5-dev libmariadb-dev pkg-config mariadb-common libmariadb3 \
+	&& rm -rf /var/lib/apt/lists/* \
+    && pip install --no-cache-dir -r requirements.txt \
+    && apt remove ${APT_OPTS} gcc libhdf5-dev libmariadb-dev pkg-config
 
 ENTRYPOINT []
 

config.py

@@ -20,7 +20,7 @@ moegliche_ladestroeme_in_prozent = [
 
 
 # Optional
-db_config = {"user": "eos", "password": "eos", "host": "127.0.0.1", "database": "eos"}
+db_config = {"user": "eos", "password": "eos", "host": "mariadb", "database": "eos"}
 
 
 def get_start_enddate(prediction_hours=48, startdate=None):

requirements.txt

@@ -8,3 +8,4 @@ joblib==1.4.2
 requests==2.32.3
 pytest==8.3.3
 pytest-cov==5.0.0
+pandas==2.2.3