chore: remove integrator/kestra CI jobs, fix school website link protocol

- Remove build-integrator and build-kestra-init jobs from Gitea Actions
- Update trigger-deployment needs to only depend on remaining three builds
- Fix school website href to prepend https:// when protocol is missing

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

.gitea/workflows/build-and-push.yml

@@ -12,8 +12,6 @@ env:
   REGISTRY: privaterepo.sitaru.org
   BACKEND_IMAGE_NAME: ${{ gitea.repository }}-backend
   FRONTEND_IMAGE_NAME: ${{ gitea.repository }}-frontend
-  INTEGRATOR_IMAGE_NAME: ${{ gitea.repository }}-integrator
-  KESTRA_INIT_IMAGE_NAME: ${{ gitea.repository }}-kestra-init
   PIPELINE_IMAGE_NAME: ${{ gitea.repository }}-pipeline
 
 jobs:
@@ -112,94 +110,6 @@ jobs:
           # cache-from: type=registry,ref=${{ env.REGISTRY }}/${{ env.FRONTEND_IMAGE_NAME }}:buildcache
           # cache-to: type=registry,ref=${{ env.REGISTRY }}/${{ env.FRONTEND_IMAGE_NAME }}:buildcache,mode=max
 
-  build-integrator:
-    name: Build Integrator
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout repository
-        uses: actions/checkout@v4
-
-      - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v3
-        with:
-          buildkitd-config-inline: |
-            [registry."docker.io"]
-              mirrors = ["10.0.1.224:6000"]
-            [registry."10.0.1.224:6000"]
-              http = true
-              insecure = true
-
-      - name: Log in to Gitea Container Registry
-        uses: docker/login-action@v3
-        with:
-          registry: ${{ env.REGISTRY }}
-          username: ${{ gitea.actor }}
-          password: ${{ secrets.REGISTRY_TOKEN }}
-
-      - name: Extract metadata for Integrator Docker image
-        id: meta-integrator
-        uses: docker/metadata-action@v5
-        with:
-          images: ${{ env.REGISTRY }}/${{ env.INTEGRATOR_IMAGE_NAME }}
-          tags: |
-            type=ref,event=branch
-            type=ref,event=pr
-            type=sha,prefix=integrator-
-            type=raw,value=latest,enable=${{ gitea.ref == 'refs/heads/main' }}
-
-      - name: Build and push Integrator Docker image
-        uses: docker/build-push-action@v5
-        with:
-          context: ./integrator
-          file: ./integrator/Dockerfile
-          push: ${{ gitea.event_name != 'pull_request' }}
-          tags: ${{ steps.meta-integrator.outputs.tags }}
-          labels: ${{ steps.meta-integrator.outputs.labels }}
-
-  build-kestra-init:
-    name: Build Kestra Init
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout repository
-        uses: actions/checkout@v4
-
-      - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v3
-        with:
-          buildkitd-config-inline: |
-            [registry."docker.io"]
-              mirrors = ["10.0.1.224:6000"]
-            [registry."10.0.1.224:6000"]
-              http = true
-              insecure = true
-
-      - name: Log in to Gitea Container Registry
-        uses: docker/login-action@v3
-        with:
-          registry: ${{ env.REGISTRY }}
-          username: ${{ gitea.actor }}
-          password: ${{ secrets.REGISTRY_TOKEN }}
-
-      - name: Extract metadata for Kestra Init Docker image
-        id: meta-kestra-init
-        uses: docker/metadata-action@v5
-        with:
-          images: ${{ env.REGISTRY }}/${{ env.KESTRA_INIT_IMAGE_NAME }}
-          tags: |
-            type=ref,event=branch
-            type=ref,event=pr
-            type=sha,prefix=kestra-init-
-            type=raw,value=latest,enable=${{ gitea.ref == 'refs/heads/main' }}
-
-      - name: Build and push Kestra Init Docker image
-        uses: docker/build-push-action@v5
-        with:
-          context: ./integrator
-          file: ./integrator/Dockerfile.init
-          push: ${{ gitea.event_name != 'pull_request' }}
-          tags: ${{ steps.meta-kestra-init.outputs.tags }}
-          labels: ${{ steps.meta-kestra-init.outputs.labels }}
-
   build-pipeline:
     name: Build Pipeline (Meltano + dbt + Airflow)
     runs-on: ubuntu-latest
@@ -249,7 +159,7 @@ jobs:
   trigger-deployment:
     name: Trigger Portainer Update
     runs-on: ubuntu-latest
-    needs: [build-backend, build-frontend, build-integrator, build-kestra-init, build-pipeline]
+    needs: [build-backend, build-frontend, build-pipeline]
     if: gitea.event_name != 'pull_request'
     steps:
       - name: Trigger Portainer stack update