Update build configurations

Author: citizen428

.goreleaser.yml

@@ -1,38 +1,42 @@
+
 builds:
-- env:
-  - CGO_ENABLED=0
-  main: ./cmd/unsavory/main.go
-  goos:
-    - darwin
-    - linux
-    - windows
-  goarch:
-    - i386
-    - amd64
-    - arm
-    - arm64
-  goarm:
-    - 6
-    - 7
-  ignore:
-    - goos: darwin
-      goarch: 386
-    - goos: darwin
-      goarch: arm
-    - goos: darwin
-      goarch: arm64
-    - goos: windows
-      goarch: 386
-    - goos: windows
-      goarch: arm
-    - goos: windows
-      goarch: arm64
+  -
+    env:
+      - CGO_ENABLED=0
+    goos:
+      - darwin
+      - linux
+      - windows
+    goarch:
+      - i386
+      - amd64
+      - arm
+      - arm64
+    goarm:
+      - 6
+      - 7
+    ignore:
+      - goos: darwin
+        goarch: 386
+      - goos: darwin
+        goarch: arm
+      - goos: darwin
+        goarch: arm64
+      - goos: windows
+        goarch: 386
+      - goos: windows
+        goarch: arm
+      - goos: windows
+        goarch: arm64
+    flags: -tags netgo
+    main: ./cmd/unsavory/main.go
 changelog:
   sort: asc
   filters:
     exclude:
     - '^docs:'
     - '^test:'
+    - Dockerfile
 brew:
   github:
     owner: citizen428

Dockerfile

@@ -0,0 +1,15 @@
+
+FROM golang:alpine as builder
+RUN apk --update add ca-certificates
+ARG srcdir=/go/src/github.com/citizen428/unsavory/
+RUN mkdir -p $srcdir
+ADD . $srcdir
+WORKDIR $srcdir
+RUN CGO_ENABLED=0 GOOS=linux \
+    go build -ldflags '-extldflags "-static"' -o /unsavory ./cmd/unsavory
+
+FROM scratch
+COPY --from=builder /etc/ssl/certs/ca-certificates.crt \
+     /etc/ssl/certs/ca-certificates.crt
+COPY --from=builder /unsavory /
+ENTRYPOINT ["/unsavory"]