Dockerfile

FROM golang:1.10
WORKDIR /go/src/github.com/stgleb/imager/cmd/auth_service
COPY Gopkg.lock .
COPY Gopkg.toml .

RUN go get -u github.com/golang/dep/cmd/dep
COPY main.go .
RUN dep ensure
RUN CGO_ENABLED=0 GOOS=linux go build -a -installsuffix cgo -o auth_service .

FROM alpine:latest
RUN apk --no-cache add ca-certificates
WORKDIR /root/

COPY --from=0 /go/src/github.com/stgleb/imager/cmd/auth_service .
COPY private_key.pem .
COPY config.toml .

CMD ["./auth_service"]