Add goreleaser config

Signed-off-by: Dimitrios Karagiannis <[email protected]>

.gitignore

@@ -4,3 +4,4 @@ terraform-provider-megaport
 crash.log
 vendor/
 cover.out
+dist/

.goreleaser.yml

@@ -0,0 +1,28 @@
+project_name: terraform-provider-megaport
+
+builds:
+- binary: "terraform-provider-megaport_v{{.Version}}_x4"
+  env:
+  - CGO_ENABLED=0
+  goos:
+  - darwin
+  - windows
+  - linux
+  goarch:
+  - amd64
+  ldflags: []
+
+archives:
+  - name_template: "{{.ProjectName}}-{{.Os}}-{{.Arch}}"
+    format_overrides:
+    - goos: windows
+      format: zip
+    - goos: darwin
+      format: zip
+    - goos: linux
+      format: zip
+    files:
+      - none*  # only package the binary
+
+checksum:
+  name_template: 'SHA256SUMS.txt'