feat: add Dockerfile

Author: orisano

.dockerignore

@@ -0,0 +1,5 @@
+.git
+.gitignore
+.dockerignore
+Dockerfile
+vendor

Dockerfile

@@ -0,0 +1,18 @@
+FROM golang:1.11-alpine3.8 as vendor
+WORKDIR /go/src/github.com/orisano/targd
+RUN apk add --no-cache git
+RUN wget -O- https://raw.githubusercontent.com/golang/dep/master/install.sh | sh
+COPY Gopkg.toml Gopkg.lock ./
+RUN dep ensure -vendor-only && rm -rf /go/pkg/dep/sources
+
+FROM golang:1.11-alpine3.8 as build
+WORKDIR /go/src/github.com/orisano/targd
+RUN apk add --no-cache gcc musl-dev
+COPY --from=vendor /go/src/github.com/orisano/targd .
+COPY . .
+RUN go build -o /bin/targd
+
+FROM alpine:3.8
+COPY --from=build /bin/targd /bin/
+ENTRYPOINT ["/bin/targd"]
+