add CI releases with docker image (#57)

* add ci releases

* fix version

* add docker login and configure to run for realsies on tag pushes

.github/workflows/release.yml

@@ -0,0 +1,33 @@
+name: release
+
+on:
+  push:
+    tags:
+      - v*
+
+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: Docker login
+        run: echo ${{ secrets.DOCKERHUB_PASSWORD }} | docker login -u ${{ secrets.DOCKERHUB_USERNAME }} --password-stdin
+      -
+        name: Run GoReleaser
+        uses: goreleaser/goreleaser-action@v1
+        with:
+          version: v0.131.1
+          args: release --rm-dist
+        # env:
+        #   GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

.goreleaser.yml

@@ -0,0 +1,49 @@
+project_name: lsif-go
+
+dist: release
+
+env:
+  - GO111MODULE=on
+  - CGO_ENABLED=0
+
+before:
+  hooks:
+    - go mod download
+    - go mod tidy
+
+builds:
+-
+  main: ./cmd/lsif-go/
+  binary: lsif-go
+  ldflags:
+    - -X main.buildTag={{.Version}}
+  goos:
+    - linux
+    - windows
+    - darwin
+  goarch:
+    - amd64
+
+archives:
+- id: tarball
+  format: tar.gz
+- id: bin
+  format: binary
+  wrap_in_directory: false
+  name_template: "src_{{ .Os }}_{{ .Arch }}"
+
+dockers:
+  - binaries:
+    - lsif-go
+    image_templates:
+    - "sourcegraph/lsif-go:{{ .Tag }}"
+    - "sourcegraph/lsif-go:v{{ .Major }}"
+    - "sourcegraph/lsif-go:v{{ .Major }}.{{ .Minor }}"
+    - "sourcegraph/lsif-go:latest"
+
+changelog:
+  sort: asc
+  filters:
+    exclude:
+    - '^docs:'
+    - '^test:'

Dockerfile

@@ -0,0 +1,4 @@
+FROM sourcegraph/alpine:3.10
+
+COPY lsif-go /usr/bin/
+ENTRYPOINT ["/usr/bin/lsif-go"]