feat: add GitHub Actions workflows for building and publishing Docker images for base and fenics environments

Author: flemk

.github/workflows/docker-publish-tags.yml …b/workflows/docker-publish-tags-base.yml.github/workflows/docker-publish-tags.yml renamed to .github/workflows/docker-publish-tags-base.yml .github/workflows/docker-publish-tags.yml renamed to .github/workflows/docker-publish-tags-base.yml

@@ -31,7 +31,7 @@ jobs:
       - name: Build and push Docker image
         uses: docker/build-push-action@v2
         with:
-          context: .
+          context: ./base
           push: true
-          tags: ghcr.io/${{ github.actor }}/docker-4-teaching:${{ github.ref_name }}
+          tags: ghcr.io/${{ github.actor }}/docker-4-teaching:latest
           platforms: linux/arm64,linux/amd64

.github/workflows/docker-publish-tags-fenics.yml

@@ -0,0 +1,37 @@
+name: Build and Publish Docker image
+
+on:
+  push:
+    tags: [ '*' ]
+
+jobs:
+  push_to_registry:
+    name: Push Docker image to GitHub Packages
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
+    steps:
+      - name: Check out the repo
+        uses: actions/checkout@v2
+
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v2
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v2
+
+      - name: Log in to GitHub Docker Registry
+        uses: docker/login-action@v3
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GHCR_PAT }}
+
+      - name: Build and push Docker image
+        uses: docker/build-push-action@v2
+        with:
+          context: ./fenics
+          push: true
+          tags: ghcr.io/${{ github.actor }}/docker-4-teaching-fenics:latest
+          platforms: linux/arm64,linux/amd64

base/Dockerfile

@@ -0,0 +1,18 @@
+FROM jupyter/base-notebook:latest
+
+LABEL org.opencontainers.image.source=https://github.com/IMTEK-Simulation/Docker4Teching
+
+USER root
+
+RUN pip install --no-cache-dir \
+    numpy \
+    pandas \
+    matplotlib \
+    scikit-learn \
+    jupyterlab
+
+USER $NB_UID
+WORKDIR /home/jovyan/work
+
+EXPOSE 8888
+CMD ["start-notebook.sh", "--NotebookApp.token=''"]

Dockerfile fenics/DockerfileDockerfile renamed to fenics/Dockerfile

@@ -4,10 +4,7 @@ LABEL org.opencontainers.image.source=https://github.com/IMTEK-Simulation/Docker
 
 USER root
 
-# Install mamba for faster package resolution
 RUN conda install -c conda-forge mamba --yes
-
-# Use mamba instead of conda for better memory usage
 RUN mamba install -c conda-forge --yes \
     numpy \
     pandas \
@@ -23,10 +20,9 @@ RUN mamba install -c conda-forge --yes \
     pip \
     && conda clean -afy
 
-WORKDIR /home/jovyan/work
-
+    
 USER $NB_UID
+WORKDIR /home/jovyan/work
 
 EXPOSE 8888
-
 CMD ["start-notebook.sh", "--NotebookApp.token=''"]