ci: add workflow to bump version and build Docker image on PR merge (#3)

Author: ethanaturner

.github/workflows/docker.yml

@@ -7,6 +7,15 @@ on:
         description: 'Version to label the Docker image under'
         required: true
         type: string
+  workflow_call:
+    inputs:
+      version:
+        required: true
+        type: string
+
+permissions:
+  contents: read
+  packages: write
 
 jobs:
   check_authorization:
@@ -25,13 +34,14 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Log in to GitHub Container Registry
-        uses: docker/login-action@v2
+        uses: docker/login-action@v3
         with:
           registry: ghcr.io
           username: ${{ github.actor }}
           password: ${{ secrets.GITHUB_TOKEN }}
       - name: Build and push
-        uses: docker/build-push-action@v4
+        uses: docker/build-push-action@v6
         with:
+          context: .
           push: true
           tags: ghcr.io/libretexts/molview-lambda-api:${{ inputs.version }}

.github/workflows/version-bump.yml

@@ -0,0 +1,41 @@
+name: Version Bump and Build
+
+on:
+  pull_request:
+    types: [closed]
+    branches: [main]
+
+permissions:
+  contents: write
+
+jobs:
+  bump:
+    if: github.event.pull_request.merged == true
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          ref: main
+          fetch-depth: 0
+          token: ${{ secrets.LIBREBOT_ACCESS_TOKEN }}
+      - name: Configure git as LibreBot
+        run: |
+          git config user.name "libretexts-bot"
+          git config user.email "dev@libretexts.org"
+      - name: Set up Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: "3.x"
+      - name: Install bump-my-version
+        run: pip install bump-my-version
+      - name: Bump minor version
+        run: bump-my-version bump minor
+      - name: Capture new version
+        id: version
+        run: echo "value=$(bump-my-version show current_version)" >> "$GITHUB_OUTPUT"
+  build:
+    needs: bump
+    uses: ./.github/workflows/docker.yml
+    with:
+      version: ${{needs.bump.outputs.version}}
+    secrets: inherit

pyproject.toml

@@ -0,0 +1,15 @@
+[project]
+name = "molview-lambda-api"
+version = "1.10.0"
+
+[tool.bumpversion]
+current_version = "1.10.0"
+commit = true
+tag = true
+commit_args = "-m 'chore(release): {new_version} [skip ci]'"
+tag_name = "{new_version}"
+
+[[tool.bumpversion.files]]
+filename = "pyproject.toml"
+search = 'version = "{current_version}"'
+replace = 'version = "{new_version}"'