Setup GH actions for test & release

.github/workflows/release.yml

@@ -0,0 +1,22 @@
+name: Release tag
+
+on:
+  push:
+    tags:
+      - "*"
+
+jobs:
+  docker:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+      - name: Log into Github registry
+        run: echo "${{ secrets.GITHUB_TOKEN }}" | docker login ghcr.io -u ${{ github.actor }} --password-stdin
+      - name: Docker build
+        run: |
+          docker build --build-arg VERSION=${GITHUB_REF##*/} -t ghcr.io/0xsequence/prometheus-to-cloudwatch:${GITHUB_REF##*/} -t ghcr.io/0xsequence/prometheus-to-cloudwatch:latest .
+          docker push ghcr.io/0xsequence/prometheus-to-cloudwatch:${GITHUB_REF##*/}
+          docker push ghcr.io/0xsequence/prometheus-to-cloudwatch:latest

.github/workflows/test.yml

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+name: Test
+
+on:
+  push:
+    branches:
+      - "**"
+  pull_request:
+    branches:
+      - "**"
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        go-version: [ '1.21.x' ]
+
+    steps:
+      - uses: actions/checkout@v3
+
+      - name: Setup Go ${{ matrix.go-version }}
+        uses: actions/setup-go@v4
+        with:
+          go-version: ${{ matrix.go-version }}
+
+      - name: Vet
+        run: go vet