feat: Release images on git tag (#23)

* feat: git tag

* pr feedback

* pr feedback

* use schedule for docker metadata

* remove tag event

* pr feedback

* fix: workflow name

* fix: check if tag exists

* pr feedback

* pr feedback

* pr feedback

* feat: fail if git tag exists

* update step name

Co-authored-by: Jason Rasmussen <[email protected]>

* pr feedback

---------

Co-authored-by: Jason Rasmussen <[email protected]>

.github/workflows/docker.yml

@@ -2,17 +2,11 @@ name: Build and Push Docker Images
 
 on:
   push:
+    tags:
+      - "*"
     branches: [main]
   pull_request:
     branches: [main]
-  schedule:
-    - cron: "0 11 * * 4"
-  workflow_dispatch:
-    inputs:
-      pushDateTag:
-        description: 'Push datestamp (production) tag'
-        type: boolean
-        required: false
 
 concurrency:
   group: ${{ github.workflow }}-${{ github.ref }}
@@ -62,16 +56,6 @@ jobs:
             latest=false
           images: |
             name=ghcr.io/${{ github.repository_owner }}/${{ matrix.image }}-${{ matrix.target }}
-          tags: |
-            # Tag scheduled runs with date
-            type=schedule,pattern={{date 'YYYYMMDD'}}
-            type=raw,value={{date 'YYYYMMDD'}},enable=${{ inputs.pushDateTag || false }}
-            # Tag with branch name
-            type=ref,event=branch
-            # Tag with pr-number
-            type=ref,event=pr
-            # Tag with git tag on release
-            type=ref,event=tag
 
       - name: Build and push image
         uses: docker/[email protected]

.github/workflows/tag.yml

@@ -0,0 +1,35 @@
+name: Git tag
+
+on:
+  workflow_dispatch:
+  schedule:
+    - cron: "0 11 * * 4"
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  set_tag:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+        with:
+          ref: "main"
+          fetch-depth: 0
+          token: ${{secrets.PAT}}
+
+      - name: Create and push new tag
+        run: |
+          tag=$(date +'%Y%m%d')
+          git config --global user.name 'GitHub Actions'
+          git config --global user.email '[email protected]'
+
+          if git tag -l $tag; then
+            echo "Tag $tag already exists."
+            exit 1
+          else
+            git tag $tag
+            git push origin $tag
+          fi