Add GoReleaser build GitHub Action

.github/workflows/release.yaml

@@ -0,0 +1,46 @@
+name: Build and push a new release
+
+on:
+  push:
+    tags:
+      - "*"
+
+jobs:
+  build:
+    name: GoReleaser build
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Check out code into the Go module directory
+        uses: actions/checkout@v2
+        with:
+          fetch-depth: 0 # See: https://goreleaser.com/ci/actions/
+
+      - name: Set up Go 1.15
+        uses: actions/setup-go@v2
+        with:
+          go-version: 1.15
+        id: go
+
+      - name: Run GoReleaser
+        uses: goreleaser/goreleaser-action@v1
+        with:
+          version: latest
+          args: release --rm-dist
+          workdir: ./
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+  # push_to_registry:
+  #   name: Push image to docker hub
+  #   runs-on: ubuntu-latest
+  #   steps:
+  #     - name: checkout
+  #       uses: actions/checkout@v2
+  #     - name: Build and push to docker hub
+  #       uses: docker/build-push-action@v1
+  #       with:
+  #         username: ${{ secrets.DOCKER_USERNAME }}
+  #         password: ${{ secrets.DOCKER_PASSWORD }}
+  #         repository: ministryofjustice/cloud-platform-cli
+  #         tag_with_ref: true