add github release action

.github/workflows/release.yml

@@ -0,0 +1,36 @@
+name: release
+on:
+ push:
+   tags:
+     - "v*"
+env:
+  GO111MODULE: on
+jobs:
+  release:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/setup-go@v2
+      with:
+        go-version: 1.17.x
+    - uses: actions/checkout@v2
+      with:
+        fetch-depth: 0
+    - uses: docker/login-action@v1
+      with:
+        registry: https://ghcr.io
+        username: choffmeister
+        password: ${{ secrets.GITHUB_TOKEN }}
+    - uses: docker/metadata-action@v3
+      with:
+        images: ghcr.io/choffmeister/git-ops-update
+        tags: |
+          type=semver,pattern={{version}}
+          type=semver,pattern={{major}}.{{minor}}
+      id: docker-meta
+    - uses: docker/build-push-action@v2
+      with:
+        context: .
+        file: ./Dockerfile
+        push: true
+        tags: ${{ steps.docker-meta.outputs.tags }}
+        labels: ${{ steps.meta.outputs.labels }}

Makefile

@@ -7,9 +7,7 @@ BIN := git-ops-update
 REGISTRY ?= ghcr.io/choffmeister
 
 IMAGE := $(REGISTRY)/$(BIN)
-
-# This version-strategy uses git tags to set the version string.
-VERSION := $(shell git describe --tags --always --dirty)
+VERSION := test
 
 MAIN := ./cmd/git-ops-update
 TEST := ./internal