Add Github Actions CI/CD workflows

.github/workflows/build.yml

@@ -0,0 +1,26 @@
+name: Build
+
+on:
+  push:
+    branches:
+    - "*"
+    tags-ignore:
+    - "*"
+  pull_request:
+    types: [opened, reopened]
+
+jobs:
+  goreleaser:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v1
+    - uses: actions/setup-go@v2-beta
+      with:
+        go-version: '^1.14.1'
+    - uses: actions/cache@v1
+      with:
+        path: /home/runner/go/pkg/mod
+        key: go-mod
+    - uses: goreleaser/goreleaser-action@v1
+      with:
+        args: release --snapshot --skip-sign

.github/workflows/release.yml

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+name: Release
+
+on:
+  push:
+    tags:
+    - "*"
+
+jobs:
+  goreleaser:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v1
+    - uses: actions/setup-go@v2-beta
+      with:
+        go-version: '^1.14.1'
+    - uses: actions/cache@v1
+      with:
+        path: /home/runner/go/pkg/mod
+        key: go-mod
+    - name: Login to Docker hub
+      run: docker login -u ${{ secrets.DOCKER_HUB_USER }} -p ${{ secrets.DOCKER_HUB_PASSWORD }}
+    - uses: goreleaser/goreleaser-action@v1
+      with:
+        args: release
+        key: ${{ secrets.SIGNING_KEY }}
+      env:
+        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}