Remove deploy workflow, simplify others

For now we trigger deploys from the GitOps repo. This will be integrated
with this repository later.

.github/workflows/ghcr.yml → .github/workflows/build.yml

@@ -1,15 +1,10 @@
+name: Build
+
 on:
+  push:
+    - main
   workflow_call:
 
-name: Deploy to github container registry
-
-env:
-  REGISTRY_FQDN: ghcr.io
-  REGISTRY_USERNAME: ${{ github.actor }}
-  REGISTRY_PASSWORD: ${{ secrets.GITHUB_TOKEN }}
-  IMAGE_NAME: ${{ github.repository }}
-  IMAGE_FILE: ./Dockerfile
-
 jobs:
   build-and-push-image:
     runs-on: ubuntu-22.04
@@ -18,26 +13,25 @@ jobs:
       packages: write
 
     steps:
-      - name: Checkout repository
+      - name: Checkout
         uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
 
       - name: Log in to the Container registry
         uses: docker/login-action@343f7c4344506bcbf9b4de18042ae17996df046d # v3.0.0
         with:
-          registry: ${{ env.REGISTRY_FQDN }}
-          username: ${{ env.REGISTRY_USERNAME }}
-          password: ${{ env.REGISTRY_PASSWORD }}
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
 
-      - name: Extract metadata (tags, labels) for Docker
+      - name: Extract image metadata
         id: meta
         uses: docker/metadata-action@9dc751fe249ad99385a2583ee0d084c400eee04e # v5.4.0
         with:
-          images: ${{ env.REGISTRY_FQDN }}/${{ env.IMAGE_NAME }}
+          images: ghcr.io/${{ github.repository }}
 
-      - name: Build and push Docker image
+      - name: Build and push image
         uses: docker/build-push-action@4a13e500e55cf31b7a5d59a38ab2040ab0f42f56 # v5.1.0
         with:
-          file: ${{ env.IMAGE_FILE }}
-          labels: ${{ steps.meta.outputs.labels }}
           push: true
+          labels: ${{ steps.meta.outputs.labels }}
           tags: ${{ steps.meta.outputs.tags }}

.github/workflows/test.yml

@@ -1,6 +1,9 @@
 name: Test
 
 on:
+  push:
+    branches:
+      - "main"
   workflow_call:
 
 jobs: