Added CI pipeline (#3)

.github/workflows/build-push.yml

@@ -0,0 +1,44 @@
+name: Build Image and push it to GHCR
+
+on:
+  push:
+    tags:
+      - "v*"
+  pull_request:
+    branches:
+      - "master"
+
+jobs:
+  build-push:
+    name: Build & Push
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout Repository
+        uses: actions/checkout@v4
+
+      - name: Get Docker metadata
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: |
+            ghcr.io/${{ github.repository }}
+          tags: |
+            type=ref,event=branch
+            type=ref,event=pr
+            type=semver,pattern={{version}}
+            type=semver,pattern={{major}}.{{minor}}
+
+      - name: Login to GitHub Container Registry
+        uses: docker/login-action@v3
+        with:
+          registry: ghcr.io
+          username: ${{ github.repository_owner }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Build and Push the Image
+        uses: docker/build-push-action@v5
+        with:
+          context: .
+          push: ${{ github.event_name != 'pull_request' }}
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}

README.md

@@ -16,8 +16,9 @@ The web service is written in Python using the aiohttp web server.
 ## Usage
 
 To start the webservice just run
+
 ```
-docker-compose up
+docker compose up
 ```
 
 The html file and and any additional files must be uploaded as multipart/form-data
@@ -30,3 +31,20 @@ Example:
 ```
 curl -F "html=@tests/index.html" -F "asset.universe.jpg=@tests/universe.jpg" http://localhost:3000 -o test.pdf
 ```
+
+## Development
+
+For development, you should clone this repo with
+
+```
+git clone https://github.com/enertech-ch/weasyprint-docker.git
+```
+
+and create a new branch.
+
+To test your changes, you can build the image locally and start your local build with
+
+```
+docker compose build weasyprint
+docker compose up weasyprint
+```

docker-compose.yml

@@ -5,6 +5,6 @@ services:
     build:
       context: .
       dockerfile: Dockerfile
-    image: 4teamwork/weasyprint:latest
+    image: ghcr.io/enertech-ch/weasyprint-docker:latest
     ports:
-      - 3000:8080
+      - 3000:8080