Merge pull request #16 from nansencenter/multi_python_versions

Support multiple Python versions

.github/workflows/build_image.yml

@@ -4,26 +4,26 @@ on:
   push:
     branches: ['**']
   release:
-    types: [released]
+    types: [prereleased, released]
 env:
   IMAGE_NAME: "${{ secrets.DOCKER_ORG }}/geospaas_uwsgi"
 jobs:
   build_docker_image:
-    runs-on: 'ubuntu-20.04'
+    runs-on: 'ubuntu-latest'
+    env:
+      latest: ${{ matrix.python_version == '3.11' && 'true' || '' }}
+      BASE_IMAGE: "${{ vars.DOCKER_ORG }}/geospaas:2.5.2-python${{ matrix.python_version }}"
+    strategy:
+      matrix:
+        python_version:
+          - '3.8'
+          - '3.9'
+          - '3.10'
+          - '3.11'
     steps:
       - name: 'Checkout repository'
         uses: actions/checkout@v4
 
-      - name: "Extract tag name"
-        id: get_version
-        run: |
-          if [[ $GITHUB_REF == refs/tags/* ]];then
-            TAG="${GITHUB_REF#refs/tags/}"
-          else
-            TAG='tmp'
-          fi
-          echo "::set-output name=VERSION::${TAG}"
-
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3
 
@@ -45,10 +45,14 @@ jobs:
         uses: docker/build-push-action@v5
         with:
           context: .
-          push: ${{ startsWith(github.ref, 'refs/tags/') }}
+          build-args: |
+            BASE_IMAGE=${{ env.BASE_IMAGE }}
+          push: ${{ github.event_name == 'release' }}
           tags: |
-            ${{ env.IMAGE_NAME }}:latest
-            ${{ env.IMAGE_NAME }}:${{ steps.get_version.outputs.VERSION }}
+            ${{ env.IMAGE_NAME }}:${{ github.ref_name }}-python${{ matrix.python_version }}
+            ${{ env.latest && format('{0}:{1}', env.IMAGE_NAME, github.ref_name) || '' }}
+            ${{ env.IMAGE_NAME }}:latest-python${{ matrix.python_version }}
+            ${{ env.latest && format('{0}:latest', env.IMAGE_NAME) || '' }}
           cache-from: type=local,src=/tmp/.buildx-cache
           cache-to: type=local,dest=/tmp/.buildx-cache-new
 

Dockerfile

@@ -1,15 +1,13 @@
-FROM nansencenter/geospaas:2.5.1-slim
+ARG BASE_IMAGE=nansencenter/geospaas:latest
+FROM ${BASE_IMAGE} as base
 
 ENV LD_LIBRARY_PATH="${LD_LIBRARY_PATH}:${VIRTUAL_ENV}/lib"
 
-RUN apt update && \
-    apt install -y gcc && \
-    # Disable LTO optimization because the LTO versions from the standard
-    # debian buster GCC and the version of GCC used by Anaconda are different
-    LDFLAGS='-fno-lto' pip install uwsgi && \
-    apt remove -y gcc && \
-    apt clean && apt autoremove -y && \
-    rm -rf /var/lib/apt/lists/*
+RUN conda install -y uwsgi \
+&&  conda clean -a -y -f \
+&&  rm /opt/conda/pkgs/* -rf \
+&& find /opt/conda/ -follow -type f -name '*.a' -delete \
+&& find /opt/conda/ -follow -type f -name '*.pyc' -delete
 
 WORKDIR /opt/geospaas-app