workflow: add px4 sitl gzsim docker image build and push

.github/workflows/tiiuae-sitl-gzsim.yaml

@@ -0,0 +1,63 @@
+name: tii-px4-sitl-gzsim
+
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+  workflow_dispatch:
+
+permissions:
+  contents: read
+  packages: write
+
+jobs:
+  tii-px4-sitl-gzsim:
+    runs-on: ubuntu-latest
+    services:
+      registry:
+        image: registry:2
+        ports:
+          - 5000:5000
+    steps:
+
+      - name: Checkout px4-firmware
+        uses: actions/checkout@v4
+        with:
+          path: px4-firmware
+          fetch-depth: 0
+
+      - uses: docker/setup-buildx-action@v3
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+        with:
+          driver-opts: network=host
+
+      - name: Docker meta
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: ghcr.io/tiiuae/tii-px4-sitl-gzsim
+          tags: |
+            type=ref,event=branch
+            type=ref,event=pr
+            type=semver,pattern={{version}}
+            type=sha
+            type=raw,value=latest
+
+      - name: Login to GitHub Container Registry
+        uses: docker/login-action@v3
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Build tii-px4-sitl-gzsim image and push
+        uses: docker/build-push-action@v5
+        with:
+          context: .
+          file: ./px4-firmware/packaging/Dockerfile.sitl_gzsim
+          pull: true
+          push: true
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}