Go Project Dockerfile Example

# Run this from the parent directory
FROM golang:1.9-alpine as build_container

ENV APP_NAME my-app
ENV TARGET_DIR /go/src/github.com/MediaMath/${APP_NAME}

COPY . ${TARGET_DIR}

WORKDIR ${TARGET_DIR}

# Build app
RUN CGO_ENABLED=0 GOOS=linux go build -ldflags="-s -w" -a -o ${APP_NAME} .

FROM alpine:3.6

ENV APP_NAME my-app
ENV TARGET_DIR /go/src/github.com/MediaMath/${APP_NAME}

RUN apk update && apk upgrade && apk add --no-cache curl

RUN mkdir -p /app /app/config /app/views

WORKDIR /app

# Copy files from build_container to current container
COPY --from=build_container ${TARGET_DIR}/config/config.json config/
COPY --from=build_container ${TARGET_DIR}/${APP_NAME} .

ENTRYPOINT ["./my-app"]