Set up GoReleaser

https://goreleaser.com

 - Removed the build step from the other go workflow as it is not needed
   now.
 - Changed the Dockerfile to just copy a binary into a scratch container

.github/workflows/go.yml

@@ -18,31 +18,6 @@ jobs:
     - name: Lint the project
       uses: actions-contrib/golangci-lint@v1
 
-  build:
-    name: Build
-    runs-on: ubuntu-18.04
-    steps:
-
-    - name: Set up Go 1.14
-      uses: actions/setup-go@v1
-      with:
-        go-version: 1.14
-      id: go
-
-    - name: Check out code into the Go module directory
-      uses: actions/checkout@v2
-
-    - name: Get dependencies
-      run: |
-        go get -v -t -d ./...
-        if [ -f Gopkg.toml ]; then
-            curl https://raw.githubusercontent.com/golang/dep/master/install.sh | sh
-            dep ensure
-        fi
-
-    - name: Build
-      run: go build -v .
-
   test:
     name: Test
     runs-on: ubuntu-18.04

.github/workflows/release.yml

@@ -0,0 +1,36 @@
+name: goreleaser
+
+on:
+  push:
+    branches: [ master ]
+    tags:
+      - '*'
+
+
+jobs:
+  goreleaser:
+    runs-on: ubuntu-latest
+    steps:
+      -
+        name: Checkout
+        uses: actions/checkout@v2
+
+      -
+        name: Unshallow
+        run: git fetch --prune --unshallow
+
+      -
+        name: Set up Go
+        uses: actions/setup-go@v1
+        with:
+          go-version: 1.14.x
+
+      -
+        name: Run GoReleaser
+        uses: goreleaser/goreleaser-action@v1
+        with:
+          version: latest
+          args: release --rm-dist
+          key: ${{ secrets.YOUR_PRIVATE_KEY }}
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

.goreleaser.yml

@@ -0,0 +1,30 @@
+# This is an example goreleaser.yaml file with some sane defaults.
+# Make sure to check the documentation at http://goreleaser.com
+before:
+  hooks:
+    # You may remove this if you don't use go modules.
+    - go mod download
+builds:
+- env:
+  - CGO_ENABLED=0
+archives:
+- replacements:
+    darwin: Darwin
+    linux: Linux
+    windows: Windows
+    386: i386
+    amd64: x86_64
+dockers:
+  -
+    image_templates:
+    - "us.gcr.io/larder-prod/kubewise:{{ .Tag }}"
+checksum:
+  name_template: 'checksums.txt'
+snapshot:
+  name_template: "{{ .Tag }}-next"
+changelog:
+  sort: asc
+  filters:
+    exclude:
+    - '^docs:'
+    - '^test:'

Dockerfile

@@ -1,12 +1,3 @@
-FROM golang:alpine AS build-env
-WORKDIR /app
-ADD . /app
-RUN cd /app && env go build -o kubewise
-FROM alpine
-RUN apk update && \
-   apk add ca-certificates && \
-   update-ca-certificates && \
-   rm -rf /var/cache/apk/*
-WORKDIR /app
-COPY --from=build-env /app/kubewise /app
-ENTRYPOINT ./kubewise
+FROM scratch
+COPY kubewise /
+ENTRYPOINT ["/kubewise"]