CI: Implement a publish action to push Docker images

.github/workflows/ci.yml

@@ -1,24 +1,69 @@
-# This workflow will install Conda environment, run tests and lint with a single version of Python.
-
 name: Continuous Integration
 
 on:
+  schedule:
+    # Run this workflow at 00:00 on every Monday
+    - cron: "0 0 * * MON"
   push:
-    branches: [ main, master ]
+    branches: [ master ]
   pull_request:
-    branches: [ main, master ]
+    branches: [ master ]
   workflow_dispatch:
 
 jobs:
-  ci:
-    name: CI
+  build-test-taswira:
+    name: Build and Test Taswira
     runs-on: ubuntu-latest
-    env:
-      DOCKER_BUILDKIT: "1"
+
     steps:
     - name: Checkout code
       uses: actions/checkout@v2
-    - name: Lint using pylint
-      run: docker build . --target lint
-    - name: Test using pytest
-      run: docker build . --target unit-test
+
+    - name: Setup Python
+      uses: actions/setup-python@v2
+      with:
+        python-version: 3.7
+
+    - name: Setup Conda
+      uses: conda-incubator/setup-miniconda@v2
+      with:
+        python-version: 3.7
+        mamba-version: "*"
+        channels: conda-forge
+        channel-priority: true
+        activate-environment: taswira
+
+    - name: Cache conda
+      uses: actions/cache@v2
+      env:
+        # Increase this value to reset cache if environment.yml has not changed
+        CACHE_NUMBER: 0
+      with:
+        # Cache the path where dependencies are installed with a key unique to the existing environment.yml
+        path: /usr/local/miniconda/envs/taswira
+        key:
+          ${{ runner.os }}-conda-${{ env.CACHE_NUMBER }}-${{ hashFiles('environment.yml') }}
+      id: envcache
+
+    - name: Update Conda Environment
+      # Setup (or update) the environment for faster installs
+      run: mamba env update -n taswira -f environment.yml
+
+    - name: Install Python package
+      shell: bash -l {0}
+      run: |
+        conda activate taswira
+        python -m pip install -e .
+
+    - name: Run Black
+      run: |
+        python -m pip install black
+        black src --diff
+        black --check src
+
+    - name: Test
+      shell: bash -l {0}
+      # Test the package
+      run: |
+        conda activate taswira
+        python -m pytest

.github/workflows/docker.yml

@@ -0,0 +1,58 @@
+name: Docker CI/CD
+
+on:
+  schedule:
+    # Run this workflow at 00:00 on every Monday
+    - cron: "0 0 * * MON"
+  pull_request:
+    branches: [ master ]
+  push:
+    branches: [ master ]
+    # Publish semver tags as releases.
+    tags: [ 'v*.*.*' ]
+  workflow_dispatch:
+
+env:
+  REGISTRY: ghcr.io
+
+jobs:
+  build:
+    name: Build and publish Taswira
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v2
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v1
+
+      - name: Log into GitHub Container Registry
+        if: ${{ github.event_name != 'pull_request' }}
+        uses: docker/login-action@28218f9b04b4f3f62068d7b6ce6ca5b26e35336c
+        with:
+          registry: ${{ env.REGISTRY }}
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Extract Docker metadata
+        id: meta
+        uses: docker/metadata-action@98669ae865ea3cffbcbaa878cf57c20bbf1c6c38
+        # It will push the image to ghcr.io/moja-global/taswira:master on push
+        with:
+          images: ${{ env.REGISTRY }}/moja-global/taswira
+
+      - name: Build and push Docker image
+        uses: docker/build-push-action@ad44023a93711e3deb337508980b4b5e9bcdc5dc
+        with:
+          context: .
+          # Prevent push to GHCR on pull requests
+          push: ${{ github.event_name != 'pull_request' }}
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
+          # Implement Docker build caching for faster builds
+          cache-from: type=gha
+          cache-to: type=gha,mode=max

environment.yml

@@ -15,3 +15,5 @@ dependencies:
     - pylint>=2.5.2
     - dash==1.13.3
     - dash-leaflet==0.0.19
+    - markupsafe<2.1
+    - jinja2