Add Docker image build

.dockerignore

@@ -0,0 +1,20 @@
+.dockerignore
+.gitignore
+.env
+docker-compose.yml
+Dockerfile
+env/
+venv/
+
+cache/
+/web/static/
+/web/media/
+*credentials*
+
+.idea/
+*.iml
+
+__pycache__/
+*.pyc
+
+data/

.github/workflows/build-and-publish.yaml

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+name: build & publish Docker image
+
+on:
+  push:
+    branches:
+      # TODO: rename master to main
+      - master
+      # TODO: remove before merge
+      - docker
+
+jobs:
+  build-publish:
+    runs-on: ubuntu-latest
+    steps:
+    - name: checkout
+      uses: actions/checkout@v4
+      with:
+        submodules: recursive
+
+    - name: set up Docker buildx
+      uses: docker/setup-buildx-action@v2
+
+    - name: log into the GitHub Container Registry
+      uses: docker/login-action@v2
+      with:
+        registry: ghcr.io
+        username: ${{ github.actor }}
+        password: ${{ github.token }}
+
+    - name: lowercase repo name
+      id: lower-repo
+      uses: ASzc/change-string-case-action@v6
+      with:
+        string: ${{ github.repository }}
+
+    - name: set current date as env variable
+      id: version
+      run: |
+        echo "builddate=$(date +'%Y-%m-%d')" >> $GITHUB_OUTPUT
+
+    - name: build and push Docker image
+      uses: docker/build-push-action@v4
+      with:
+        file: Dockerfile
+        push: true
+        tags: |
+          ghcr.io/${{ steps.lower-repo.outputs.lowercase }}:latest,ghcr.io/${{ steps.lower-repo.outputs.lowercase }}:${{ steps.version.outputs.builddate }}
+        platforms: linux/amd64,linux/arm64
+        # https://docs.docker.com/build/ci/github-actions/cache/#cache-backend-api
+        cache-from: type=gha
+        cache-to: type=gha,mode=max
+

.gitignore

@@ -12,3 +12,5 @@ cache/
 
 __pycache__/
 *.pyc
+
+data/

Dockerfile

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+FROM ghcr.io/osgeo/gdal:alpine-small-3.9.2 AS builder
+LABEL maintainer="Holger Bruch <[email protected]>"
+
+RUN apk add --no-cache build-base python3-dev py3-pip postgresql-client libpq-dev geos-dev
+
+
+RUN python -m venv /opt/venv
+ENV PATH="/opt/venv/bin:$PATH"
+
+WORKDIR /app
+COPY requirements.txt .
+COPY web/scrapers/ParkAPI2_sources/requirements.txt ./ParkAPI2_sources_requirements.txt
+
+RUN pip install -r requirements.txt -r ParkAPI2_sources_requirements.txt
+
+# Operational stage
+FROM ghcr.io/osgeo/gdal:alpine-small-3.9.2
+LABEL maintainer="Holger Bruch <[email protected]>"
+
+RUN apk add --no-cache bash git python3 py3-pip postgresql-client geos
+
+COPY --from=builder /opt/venv /opt/venv
+ENV RUN_MIGRATION=0 \
+    CREATE_SUPERUSER=0 \
+    ASSIGN_LOCATIONS=0 \
+    PYTHONBUFFERED=1 \
+    PATH="/opt/venv/bin:$PATH"
+
+WORKDIR /app
+COPY . /app/
+
+EXPOSE 8000
+ENTRYPOINT ["/bin/bash", "/app/entrypoint.sh"]
+CMD runserver 0.0.0.0:8000

docker-compose.yml

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+version: '3'
+services:
+  db:
+    image: postgis/postgis:16-3.4
+    volumes:
+      - ./data:/var/lib/postgresql/data
+    env_file: .env 
+    ports:
+      - 5432:5432
+    healthcheck:
+      test: ["CMD-SHELL", "pg_isready -U parkapi2"]
+      interval: 10s
+      timeout: 5s
+      retries: 5
+      start_period: 10s
+  api:
+    build:
+      context: .
+      dockerfile: ./Dockerfile
+    command: ["runserver", "0.0.0.0:8000"]
+    depends_on:
+      db:
+        condition: service_healthy
+    expose:
+      - 8000
+    ports:
+      - 8000:8000
+    env_file: .env
+    environment:
+      - RUN_MIGRATION=1
+      - ASSIGN_LOCATIONS=1
+
+  scraper:
+    build:
+      context: .
+      dockerfile: ./Dockerfile
+    command: 
+      - pa_scrape
+      - scrape
+      - -j
+      - "100"
+    depends_on:
+      db:
+        condition: service_healthy
+    env_file: .env

entrypoint.sh

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+#!/bin/bash
+set -euo pipefail
+
+cd web
+if [ "$RUN_MIGRATION" -eq "1" ]; then
+	echo "RUN MIGRATION is TRUE"
+fi
+
+# Run migration only if explicitly set via ENV
+if [ "$RUN_MIGRATION" -eq "1" ]; then
+	./manage.py migrate
+fi
+
+if [ "$ASSIGN_LOCATIONS" -eq "1" ]; then
+	./manage.py pa_find_locations
+fi
+
+# don't create an admin interface per default
+if [ "$CREATE_SUPERUSER" -eq "1" ]; then
+	./manage.py createsuperuser
+fi
+
+# start the server
+./manage.py $@