ci: updates docker to use ghcr as well as automated tags

Author: anonymous-org-za

.github/workflows/docker-build.yml

@@ -2,11 +2,32 @@ name: docker-build
 
 on:
   push:
+    branches:
+      - "**"
+    tags:
+      - "v*.*.*"
+  pull_request:
 
 jobs:
   docker:
     runs-on: ubuntu-latest
     steps:
+      - name: Docker meta
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          # list of Docker images to use as base name for tags
+          images: |
+            anonymoussystems/torbox-tinfoil-server
+            ghcr.io/anonymous-org-za/torbox-tinfoil-server          
+          # generate Docker tags based on the following events/attributes
+          tags: |
+            type=ref,event=branch
+            type=ref,event=pr
+            type=semver,pattern={{version}}
+            type=semver,pattern={{major}}.{{minor}}
+            type=semver,pattern={{major}}
+            type=sha
       -
         name: Set up QEMU
         uses: docker/setup-qemu-action@v3
@@ -15,13 +36,21 @@ jobs:
         uses: docker/setup-buildx-action@v3
       -
         name: Login to Docker Hub
+        if: github.event_name != 'pull_request'
         uses: docker/login-action@v3
         with:
           username: ${{ secrets.DOCKERHUB_USERNAME }}
           password: ${{ secrets.DOCKERHUB_TOKEN }}
-      -
-        name: Build and push
+      - name: Login to GHCR
+        if: github.event_name != 'pull_request'
+        uses: docker/login-action@v3
+        with:
+            registry: ghcr.io
+            username: ${{ github.repository_owner }}
+            password: ${{ secrets.GITHUB_TOKEN }}
+      - name: Build and push
         uses: docker/build-push-action@v6
         with:
-          push: true
-          tags: anonymoussystems/torbox-tinfoil-server:latest
+            push: ${{ github.event_name != 'pull_request' }}
+            tags: ${{ steps.meta.outputs.tags }}
+            labels: ${{ steps.meta.outputs.labels }}