ci(gh-actions): update workflow to support custom image tag and build…

… context and trigger main br

.github/workflows/docker.yml

@@ -1,17 +1,23 @@
-name: 🐳 Docker
+name: 🐳 Docker Workflow
+
 on:
   push:
     branches:
+      - main
       - docker
   pull_request:
     branches:
       - docker
   workflow_dispatch:
     inputs:
-      reason:
-        description: 'Reason for manual run'
-        required: true
-        default: 'Manual run'
+      image_tag:
+        description: 'Docker image tag to use (default: latest)'
+        required: false
+        default: 'latest'
+      build_context:
+        description: 'Build context directory (default: .)'
+        required: false
+        default: '.'
 
 env:
   REGISTRY: ghcr.io
@@ -25,34 +31,39 @@ permissions:
 
 jobs:
   build-and-push:
-    name: 🚀 Build and push Docker image
+    name: 🚀 Build and Push Docker Image
     runs-on: ubuntu-latest
+
     steps:
-      - name: 🛎️ Checkout
+      - name: 🛎️ Checkout Repository
         uses: actions/checkout@v4
-      - name: 🤔 Login to GitHub Container Registry
+
+      - name: 🔑 Login to GitHub Container Registry
         uses: docker/login-action@v3
         with:
           registry: ${{ env.REGISTRY }}
           username: ${{ github.actor }}
           password: ${{ secrets.GITHUB_TOKEN }}
-      - name: 🪙 Extract metadata (tags, labels) for Docker
+
+      - name: 🪙 Extract Metadata for Docker
         id: metadata
         uses: docker/metadata-action@v5
         with:
           images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
-          tags: latest
-      - name: 🏗️ Build Docker image
+          tags: ${{ github.event.inputs.image_tag || 'latest' }}
+
+      - name: 🏗️ Build and Push Docker Image
         id: build
         uses: docker/build-push-action@v5
         with:
-          context: .
+          context: ${{ github.event.inputs.build_context || '.' }}
           push: true
           tags: ${{ steps.metadata.outputs.tags }}
           labels: ${{ steps.metadata.outputs.labels }}
-      - name: 📦 Generate artifact attestation
+
+      - name: 📦 Generate Artifact Attestation
         uses: actions/attest-build-provenance@v1
         with:
-          subject-name: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME}}
+          subject-name: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
           subject-digest: ${{ steps.build.outputs.digest }}
           push-to-registry: true