new init stack workflow

.gitea/workflows/init-stack.yaml

@@ -0,0 +1,57 @@
+# https://docs.github.com/en/actions/writing-workflows/workflow-syntax-for-github-actions
+name: Gitea Actions Demo
+run-name: ${{ gitea.actor }} is testing out Gitea Actions 🚀
+on:
+  pull_request:
+    branches:
+      - init-stack
+    paths:
+      - 'stack.yml'
+
+jobs:
+  Create-Stack:
+    runs-on: synology
+    steps:
+      - name: Checkout
+        uses: https://github.com/actions/checkout@v4
+        with:
+          ref: init-stack
+
+      - name: Get the endpoint ID
+      # Usually ID is 1, but you can get it from the API. Only skip this if you are VERY sure.
+        env:
+          PORTAINER_TOKEN: ${{ secrets.PORTAINER_TOKEN }}
+          PORTAINER_API_URL: https://portainer.dev.nervesocket.com/api
+          ENDPOINT_NAME: "local" #sometimes "primary"
+        run: |
+          ENDPOINT_ID=$(curl -s -H "X-API-Key: $PORTAINER_TOKEN" "$PORTAINER_API_URL/endpoints" | jq -r ".[] | select(.Name==\"$ENDPOINT_NAME\") | .Id")
+          echo "ENDPOINT_ID=$ENDPOINT_ID" >> $GITHUB_ENV
+          echo "Got stack Endpoint ID: $ENDPOINT_ID"
+
+      - name: Deploy new stack from repo stack.yml
+        env:
+          STACK_NAME: a-test-whoami
+          PORTAINER_TOKEN: ${{ secrets.PORTAINER_TOKEN }}
+          PORTAINER_API_URL: https://portainer.dev.nervesocket.com/api
+        run: |
+          # Read stack file content
+          STACK_FILE_CONTENT=$(echo "$(<stack.yml )")
+          
+          # Prepare JSON payload
+          JSON_PAYLOAD=$(jq -n --arg stackFileContent "$STACK_FILE_CONTENT" \
+            '{stackFileContent: $stackFileContent}')
+
+          echo "About to push the following JSON payload:"
+          echo $JSON_PAYLOAD
+
+          # Update stack in Portainer (this redeploys it)
+          DEPLOY_RESPONSE=$(curl -X POST "$PORTAINER_API_URL/stacks/$STACK_ID?endpointId=$ENDPOINT_ID" \
+            -H "X-API-Key: $PORTAINER_TOKEN" \
+            -H "Content-Type: application/json" \
+            --data "$JSON_PAYLOAD")
+
+          echo "Redeployed stack in Portainer. Response:"
+          echo $DEPLOY_RESPONSE
+
+      - name: Status check
+      - run: echo "📋 This job's status is ${{ job.status }}."