Simplify build process (#352)

Related to #349. This only builds the docker image on push to main. For
pull requests and pushes the whole build is tested.

.github/workflows/docker-build-push.yml

@@ -1,56 +0,0 @@
-name: Create and publish a Docker image
-
-on:
-  workflow_call:
-
-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@65b78e6e13532edd9afa3aa52ac7964289d1a9c1
-        with:
-          registry: ${{ env.REGISTRY }}
-          username: ${{ github.actor }}
-          password: ${{ secrets.GITHUB_TOKEN }}
-      - name: Figure out branch name
-        shell: bash
-        run: echo "branch=${GITHUB_HEAD_REF:-${GITHUB_REF#refs/heads/}}" >> $GITHUB_OUTPUT
-        id: extract_branch
-      - name: Determine docker image tag
-        shell: bash
-        id: determine_tag
-        run: |
-          if [[ "${{ github.ref }}" == "refs/heads/main" ]]; then
-            echo "tag=latest" >> $GITHUB_OUTPUT
-          else
-            echo "tag=${{ steps.extract_branch.outputs.branch }}" >> $GITHUB_OUTPUT
-          fi
-
-      - name: Extract metadata (tags, labels) for Docker
-        id: meta
-        uses: docker/metadata-action@v5
-        with:
-          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
-      # Buildx for caching
-      - uses: docker/setup-buildx-action@v3
-      - name: Build and push Docker image
-        uses: docker/build-push-action@v5
-        with:
-          context: .
-          push: true
-          tags: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${{ steps.determine_tag.outputs.tag }}
-          labels: ${{ steps.meta.outputs.labels }}
-          cache-from: type=gha
-          cache-to: type=gha,mode=max

.github/workflows/release-book-website.yml

@@ -4,12 +4,37 @@ on:
   push:
     branches:
       - main
+
 env:
-  IMAGE: ghcr.io/${{ github.repository }}:latest
+  LATEST_IMAGE: ghcr.io/${{ github.repository }}:latest
 
 jobs:
   build-and-push-image:
-    uses: ./.github/workflows/docker-build-push.yml
+    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@65b78e6e13532edd9afa3aa52ac7964289d1a9c1
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+      # Buildx for caching
+      - uses: docker/setup-buildx-action@v3
+      - name: Build and push Docker image
+        uses: docker/build-push-action@v5
+        with:
+          context: .
+          push: true
+          tags: ghcr.io/${{ github.repository }}:latest
+          cache-from: type=gha
+          cache-to: type=gha,mode=max
+  
 
   release-book-website:
     needs: build-and-push-image

.github/workflows/test-book-website-pull-request.yml

@@ -1,11 +0,0 @@
-name: Test building book and website
-
-on:
-  pull_request:
-
-jobs:
-
-  test-building-book-website:
-    uses: ./.github/workflows/test-book-website.yml
-    with:
-      docker-image: ghcr.io/${{ github.repository }}:latest

.github/workflows/test-book-website-push.yml

@@ -1,10 +0,0 @@
-name: Test building book and website with default image
-
-on:
-  push:
-
-jobs:
-  test-building-book-website:
-    uses: ./.github/workflows/test-book-website.yml
-    with:
-      docker-image: ghcr.io/${{ github.repository }}:latest

.github/workflows/test-book-website.yml

@@ -1,11 +1,9 @@
 name: Test book and website for given image
 
-on:
+on: [push, pull_request]
-  workflow_call:
+
-    inputs:
+env:
-      docker-image:
+  DOCKER_IMAGE: ghcr.io/${{ github.repository }}:latest
-        required: true
-        type: string
 
 jobs:
   test-book-website:
@@ -16,7 +14,7 @@ jobs:
       - name: Print dependency versions
         uses: addnab/docker-run-action@v3
         with:
-          image: ${{ inputs.docker-image }}
+          image: ${{ env.DOCKER_IMAGE }}
           options: -v ${{ github.workspace }}:/app
           run: |
             cd /app/book
@@ -24,7 +22,7 @@ jobs:
       - name: Print build variables
         uses: addnab/docker-run-action@v3
         with:
-          image: ${{ inputs.docker-image }}
+          image: ${{ env.DOCKER_IMAGE }}
           options: -v ${{ github.workspace }}:/app
           run: |
             cd /app/book
@@ -32,7 +30,7 @@ jobs:
       - name: Test baking the release versions
         uses: addnab/docker-run-action@v3
         with:
-          image: ${{ inputs.docker-image }}
+          image: ${{ env.DOCKER_IMAGE }}
           options: -v ${{ github.workspace }}:/app
           run: |
             cd /app/book
@@ -48,7 +46,7 @@ jobs:
       - name: Test building website
         uses: addnab/docker-run-action@v3
         with:
-          image: ${{ inputs.docker-image }}
+          image: ${{ env.DOCKER_IMAGE }}
           options: -v ${{ github.workspace }}:/app
           run: |
             cd /app/book