Adds arm builds with goreleaser (#8)

* Adds arm builds with goreleaser
* Fix regex
* Finish readme

.circleci/config.yml

@@ -1,26 +1,32 @@
 version: 2.1
 
 workflows:
-  test:
+  build:
+    jobs: [ build ]
+  release:
     jobs:
-      - lint
-      - unit
-
+      - release:
+          context: org-global
+          filters:
+            branches:
+              ignore: /.*/
+            tags:
+              # Only on tags formatted like v0.1.1
+              only: /^v\d+\.\d+\.\d+[\-a-z0-9]*$/
 jobs:
-  lint:
+  build:
     docker:
-      - image: golang:1.14
+      - image: golang:1.16
     working_directory: /go/src/github.com/skpr/mail
     steps:
       - checkout
       - run: |
           go get golang.org/x/lint/golint
           make lint
-
-  unit:
+      - run: make test
+  release:
     docker:
-      - image: golang:1.13
-    working_directory: /go/src/github.com/skpr/mail
+      - image: docker.io/goreleaser/goreleaser:latest
     steps:
       - checkout
-      - run: make test
+      - run: goreleaser

.gitignore

@@ -1,3 +1,4 @@
 .idea
 .DS_Store
 /bin
+/dist

.goreleaser.yml

@@ -0,0 +1,18 @@
+# Documentation at http://goreleaser.com
+
+builds:
+  - binary: skprmail
+    env: [ CGO_ENABLED=0 ]
+    goos: [ linux, darwin ]
+    goarch: [ amd64, arm64 ]
+
+archives:
+  - replacements:
+      darwin: macOS
+    format: binary
+
+release:
+  prerelease: auto
+  github:
+    owner: skpr
+    name: mail

Dockerfile

@@ -0,0 +1,8 @@
+FROM alpine:3.15
+
+RUN apk add --no-cache ca-certificates
+
+COPY skprmail /usr/local/bin/
+RUN chmod +x /usr/local/bin/skprmail
+
+CMD ["/usr/local/bin/skprmail"]

README.md

@@ -43,4 +43,20 @@ export SKPRMAIL_AWS_REGION=us-east-1
 export SKPRMAIL_FROM_ADDRESS=admin@previousnext.com.au
  $ cat /tmp/test-email.txt | skprmail
  ```
-
+
+### Releasing
+
+Testing a release:
+
+```
+goreleaser release --rm-dist --snapshot --skip-publish
+```
+
+Releasing:
+
+```
+golreleaser
+```
+
+
+