specify platform to pick runner

.drone.yml

@@ -3,6 +3,11 @@ kind: pipeline
 type: docker
 name: default
 
+# Platform specification for ARM64 runners
+platform:
+  os: linux
+  arch: arm64
+
 steps:
   # Step 1: Check if Docker image for current version already exists
   - name: check-version
@@ -12,14 +17,17 @@ steps:
     commands:
       - apk add --no-cache git
       - git fetch --tags
-      - LATEST_TAG=$(git describe --tags --abbrev=0)
-      - echo "Latest Git tag: $LATEST_TAG"
       - |
-        if docker image inspect apps/homepage:$NEW_VERSION > /dev/null 2>&1; then
-          echo "Docker image apps/homepage:$NEW_VERSION already exists — skipping build"
+        # Get the latest Git tag
+        LATEST_TAG=$(git describe --tags --abbrev=0)
+        echo "Latest Git tag: $LATEST_TAG"
+  
+        # Check if Docker image exists
+        if docker image inspect apps/homepage:$LATEST_TAG > /dev/null 2>&1; then
+          echo "Docker image apps/homepage:$LATEST_TAG already exists — skipping build"
           exit 0
         else
-          echo "Docker image apps/homepage:$NEW_VERSION not found — building..."
+          echo "Docker image apps/homepage:$LATEST_TAG not found — building..."
         fi
 
   # Step 2: Build Docker image with dynamic Git tag
@@ -61,3 +69,4 @@ trigger:
   event:
     - push
     - tag
+    - custom