Update .drone.yml

using LATEST_TAG instead of DRONE_TAG which not be present if the push itsn't for tag push

.drone.yml

@@ -3,61 +3,88 @@ kind: pipeline
 type: docker
 name: default
 
+# ARM64 platform (for your Pi runner)
+platform:
+  os: linux
+  arch: arm64
+
+workspace:
+  path: /drone/src
+
 steps:
-  # Step 1: Check if Docker image for current version already exists
-  - name: check-version
+  # Step 1a: Git fetch tags locally
+  - name: fetch-tags
     image: docker:24
     environment:
-      DOCKER_HOST: unix:///var/run/docker.sock
+      DOCKER_HOST: unix:///var/run/docker.sock   # local Docker, if needed
     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:$NEW_VERSION already exists — skipping build"
-          exit 0
+        LATEST_TAG=$(git describe --tags --abbrev=0)
+        echo "Latest Git tag fetched: $LATEST_TAG"
+        # Save to file to share with next step
+        echo $LATEST_TAG > /drone/src/LATEST_TAG.txt
+
+  # Step 1b: Check if image exists on remote LAN Docker
+  - name: check-remote-image
+    image: docker:24
+    environment:
+      DOCKER_HOST: tcp://192.168.1.111:2376   # remote Docker
+    commands:
+      - IMAGE_TAG=$(cat /drone/src/LATEST_TAG.txt)
+      - echo "Checking if apps/homepage:$IMAGE_TAG exists on remote Docker..."
+      - |
+        if docker image inspect apps/homepage:$IMAGE_TAG > /dev/null 2>&1; then
+          echo "✅ Docker image apps/homepage:$IMAGE_TAG already exists — skipping build";
+          exit 78;   # stop pipeline gracefully
         else
-          echo "Docker image apps/homepage:$NEW_VERSION not found — building..."
+          echo "⚙️ Docker image apps/homepage:$IMAGE_TAG not found — proceeding to build...";
         fi
 
-  # Step 2: Build Docker image with dynamic Git tag
+  # Step 2: Build Docker image (dynamic tag)
   - name: build-image
     image: docker:24
     environment:
-      DOCKER_HOST: unix:///var/run/docker.sock
+      DOCKER_HOST: tcp://192.168.1.111:2376
     commands:
-      - IMAGE_TAG=${DRONE_TAG:-latest}
-      - echo "Building Docker image apps/homepage:$IMAGE_TAG ..."
-      - docker build -t apps/homepage:$IMAGE_TAG .
+      - |
+        IMAGE_TAG=$(cat /drone/src/LATEST_TAG.txt)
+        if [ -z "$IMAGE_TAG" ]; then
+          echo "❌ No tag found in LATEST_TAG.txt — cannot build."
+          exit 1
+        fi
+        echo "🔨 Building Docker image apps/homepage:$IMAGE_TAG ..."
+        docker build --network=host -t apps/homepage:$IMAGE_TAG -t apps/homepage:latest 
 
-  # Step 3: Stop old container if exists
+  # Step 3: Stop old container (if exists)
   - name: stop-old
     image: docker:24
     environment:
-      DOCKER_HOST: unix:///var/run/docker.sock
+      DOCKER_HOST: tcp://192.168.1.111:2376
     commands:
-      - IMAGE_TAG=${DRONE_TAG:-latest}
-      - echo "Stopping old container..."
-      - docker rm -f homepage || true
+      - |
+        echo "🛑 Stopping old container..."
+        docker rm -f homepage || true
 
-  # Step 4: Run container with dynamic tag
+  # Step 4: Run container
   - name: run-container
     image: docker:24
     environment:
-      DOCKER_HOST: unix:///var/run/docker.sock
+      DOCKER_HOST: tcp://192.168.1.111:2376
     commands:
-      - IMAGE_TAG=${DRONE_TAG:-latest}
-      - echo "Starting container apps/homepage:$IMAGE_TAG ..."
-      - docker run -d \
+      - |
+        IMAGE_TAG=$(cat /drone/src/LATEST_TAG.txt)
+        echo "🚀 Starting container apps/homepage:$IMAGE_TAG ..."
+        docker run -d \
           --name homepage \
           -p 3001:3000 \
           -e NODE_ENV=production \
           apps/homepage:$IMAGE_TAG
 
-# Trigger pipeline on Git tags
+# Trigger rules
 trigger:
   event:
     - push
     - tag
+    - custom