added goreleaser config

Signed-off-by: Sam Alba <sam.alba@gmail.com>

.github/workflows/ci.yml

@@ -13,6 +13,8 @@ jobs:
     steps:
       - name: Check out
         uses: actions/checkout@v2
+        with:
+          fetch-depth: 0
 
       - name: Set up Go
         uses: actions/setup-go@v1

.github/workflows/release.yml

@@ -0,0 +1,26 @@
+name: Release
+on:
+  push:
+    tags:
+    - v*
+jobs:
+  goreleaser:
+    runs-on: ubuntu-latest
+    defaults:
+      run:
+        shell: bash
+    steps:
+    - name: Checkout code
+      uses: actions/checkout@v2
+      with:
+        fetch-depth: 0
+    - name: Install Go
+      uses: actions/setup-go@v2
+      with:
+        go-version: 1.16
+    - name: Run GoReleaser
+      uses: goreleaser/goreleaser-action@v2
+      with:
+        args: release --rm-dist
+      env:
+        GITHUB_TOKEN: ${{ secrets.ACTIONS_GITHUB_TOKEN }}

.goreleaser.yml

@@ -8,6 +8,10 @@ builds:
   - env:
       - CGO_ENABLED=0
     main: ./cmd/dagger
+    binary: dagger
+    ldflags:
+      - -s -w
+      - -X dagger.io/go/cmd/dagger/cmd.version={{.Version}}
     goos:
       - linux
       - windows