Add CI for Price-feeder

Author: anhductn2001

.github/workflows/price-feeder-docker.yml

@@ -0,0 +1,45 @@
+name: Price Feeder Docker Release
+on:
+  push:
+    tags:
+      - "price-feeder/v*.*.*"
+  pull_request:
+    
+
+jobs:
+  price-feeder-docker:
+    name: price-feeder Docker
+    runs-on: ubuntu-latest
+    steps:
+      - name: checkout
+        uses: actions/checkout@v3
+
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v2
+      
+      - name: Docker meta
+        id: meta
+        uses: docker/metadata-action@v4
+        with:
+          images: ghcr.io/cosmoscontracts/price-feeder
+          tags: 
+            type=semver,pattern=v{{version}}
+          
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v2
+
+      - name: Login to GHCR
+        uses: docker/login-action@v2
+        with:
+          registry: ghcr.io
+          username: ${{ github.repository_owner }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Build and push
+        uses: docker/build-push-action@v3
+        with:
+          context: .
+          file: price-feeder/price-feeder.Dockerfile
+          push: true
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}