# -------------
# Build stage

FROM golang:alpine AS build-env

# Install required packages
RUN apk add --no-cache wget git make build-base protobuf protobuf-dev

# Prepare directory structure
RUN ["mkdir", "-p", "/src", "src/protos"]
RUN ["mkdir", "-p", "$GOPATH/src", "$GOPATH/pkg", "$GOPATH/bin"]
RUN ["mkdir", "-p", "$GOPATH/src/github.com/opencord/voltha/protos/go"]

# Copy files
ADD rw_core $GOPATH/src/github.com/opencord/voltha-go/rw_core
ADD common $GOPATH/src/github.com/opencord/voltha-go/common
ADD db $GOPATH/src/github.com/opencord/voltha-go/db
ADD kafka $GOPATH/src/github.com/opencord/voltha-go/kafka

# Copy required proto files
# ... VOLTHA proos
ADD protos/*.proto /src/protos/
ADD protos/scripts/* /src/protos/

# Install golang protobuf
RUN go get -u github.com/grpc-ecosystem/grpc-gateway/protoc-gen-grpc-gateway
RUN go get -u github.com/golang/protobuf/protoc-gen-go

# Compile protobuf files
RUN sh /src/protos/build_protos.sh /src/protos

# Build rw_core
RUN cd $GOPATH/src/github.com/opencord/voltha-go/rw_core && go get -d ./... && go build -o /src/rw_core

# -------------
# Image creation stage

FROM alpine:3.6

# Set the working directory
WORKDIR /app

# Copy required files
COPY --from=build-env /src/rw_core /app/