Change build process for Docker images (#40)

* add image building capability

* allow actions to deploy the image

* remove unneeded steps

Author: AbstractUmbra

Diff for: .dockerignore

@@ -0,0 +1,20 @@
+__pycache__/
+*.py[cod]
+_pyright/
+.git/
+.github/
+.venv/
+.vscode/
+.idea/
+logs/
+.gitignore
+.gitmodules
+**/*.ipynb
+docker-compose.yml
+Dockerfile
+LICENSE
+README.md
+requirements.txt
+dev-requirements.txt
+config.template.toml
+.template.env

Diff for: .github/workflows/build_and_push.yaml

@@ -0,0 +1,55 @@
+# This workflow uses actions that are not certified by GitHub.
+# They are provided by a third-party and are governed by
+# separate terms of service, privacy policy, and support
+# documentation.
+
+# GitHub recommends pinning actions to a commit SHA.
+# To get a newer version, you will need to update the SHA.
+# You can also reference a tag or branch, but the action may change without warning.
+
+name: Create and publish a Docker image
+
+on:
+  push:
+    branches:
+      - main
+
+concurrency:
+  cancel-in-progress: true
+  group: ci-${{ github.ref }}
+
+env:
+  REGISTRY: ghcr.io
+  IMAGE_NAME: ${{ github.repository }}
+
+jobs:
+  build-and-push-image:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v3
+
+      - name: Log in to the Container registry
+        uses: docker/login-action@master
+        with:
+          registry: ${{ env.REGISTRY }}
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Extract metadata (tags, labels) for Docker
+        id: meta
+        uses: docker/metadata-action@master
+        with:
+          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
+
+      - name: Build and push Docker image
+        uses: docker/build-push-action@master
+        with:
+          context: .
+          push: true
+          tags: "ghcr.io/pythonistaguild/pythonista-bot:latest"
+          labels: ${{ steps.meta.outputs.labels }}

Diff for: .github/workflows/deploy.yml

@@ -10,15 +10,15 @@ jobs:
           key: ${{ secrets.SSH_KEY }}
           port: ${{ secrets.SSH_PORT }}
           script: |
-            cd ~/projects/pythonista-bot/
-            git stash || true
-            git pull --force || true
+            docker compose pull bot
             docker compose up --build -d
           username: ${{ secrets.SSH_USER }}
 
 name: Deploy
 
 on:
-  push:
-    branches:
-      - main
+  workflow_run:
+    workflows: ["Create and publish a Docker image"]
+    branches: [main]
+    types:
+      - completed

Diff for: Dockerfile

@@ -1,5 +1,9 @@
 FROM python:3.11-slim
 
+LABEL org.opencontainers.image.source=https://github.com/PythonistaGuild/Pythonista-Bot
+LABEL org.opencontainers.image.description="Pythonista Guild's Discord Bot"
+LABEL org.opencontainers.image.licenses=MIT
+
 ENV PYTHONUNBUFFERED=1 \
     # prevents python creating .pyc files
     PYTHONDONTWRITEBYTECODE=1 \
@@ -44,7 +48,7 @@ WORKDIR /app
 COPY poetry.lock pyproject.toml ./
 
 # install runtime deps - uses $POETRY_VIRTUALENVS_IN_PROJECT internally
-RUN poetry install --without=dev
+RUN poetry install --only=main
 
 COPY . /app/
 ENTRYPOINT poetry run python -O launcher.py

Diff for: docker-compose.yml

@@ -1,12 +1,12 @@
 services:
   bot:
-    build:
-      context: .
-      dockerfile: Dockerfile
     container_name: pythonista-bot
     depends_on:
       - database
-    restart: always
+    image: ghcr.io/pythonistaguild/pythonista-bot:latest
+    restart: unless-stopped
+    volumes:
+      - ./config.toml:/app/config.toml:ro
 
   database:
     container_name: pythonista-bot-db