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

FROM golang:1.10.7-alpine AS build-env

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

# Install protobuf requirements
RUN git clone https://github.com/googleapis/googleapis.git /usr/local/include/googleapis
RUN go get google.golang.org/genproto/googleapis/api/annotations

# 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"]
RUN ["mkdir", "-p", "$GOPATH/src/github.com/opencord/voltha-go"]

WORKDIR $GOPATH/src/github.com/opencord

RUN git clone https://gerrit.opencord.org/voltha-go.git

WORKDIR $GOPATH/src/github.com/opencord/voltha-go


# Copy files
ADD adaptercore ./adapters/openolt/adaptercore
ADD config      ./adapters/openolt/config
ADD *.go        ./adapters/openolt

RUN ls ./adapters/openolt

# Copy required proto files
ADD openolt.proto ./protos

# Install the protoc-gen-go
RUN go install ./vendor/github.com/golang/protobuf/protoc-gen-go

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

RUN protoc --go_out=Mgoogle/protobuf/descriptor.proto=github.com/golang/protobuf/protoc-gen-go/descriptor,plugins=grpc:$GOPATH/src -I protos -I /usr/local/include/googleapis  protos/openolt.proto

# Build openolt

RUN cd adapters/openolt && go build -o /src/openolt

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

FROM alpine:3.8

# Set the working directory
WORKDIR /app

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