Dockerfile

# The docker image to generate Golang code from Protol Buffer.
FROM golang:1.17.0-alpine3.14 as builder
LABEL intermediate=true
MAINTAINER DL NGP-App-Infra-API <ngp-app-infra-api@infoblox.com>

# Set up mandatory Go environmental variables.
ENV CGO_ENABLED=0

RUN apk update \
    && apk add --no-cache --purge git dep

# Use go modules to download application code and dependencies
WORKDIR ${GOPATH}/src/github.com/infobloxopen/atlas-gentool
COPY go.mod .
COPY go.sum .
COPY tools.go .
RUN go mod vendor

# Copy to /go/src so the protos will be available
RUN cp -r vendor/* ${GOPATH}/src/

# Build protoc tools
RUN go install google.golang.org/protobuf/cmd/protoc-gen-go
RUN go install google.golang.org/grpc/cmd/protoc-gen-go-grpc
RUN go install github.com/chrusty/protoc-gen-jsonschema/cmd/protoc-gen-jsonschema
RUN go install github.com/envoyproxy/protoc-gen-validate
RUN go install github.com/mwitkow/go-proto-validators/protoc-gen-govalidators
RUN go install github.com/pseudomuto/protoc-gen-doc/cmd/protoc-gen-doc
RUN go install github.com/infobloxopen/protoc-gen-preprocess
RUN cd ${GOPATH}/src/github.com/infobloxopen/protoc-gen-atlas-query-validate && dep ensure && GO111MODULE=off go install .
RUN go install github.com/infobloxopen/protoc-gen-atlas-validate
RUN go install github.com/infobloxopen/protoc-gen-gorm

RUN mkdir -p /out/usr/bin

RUN rm -rf vendor/* ${GOPATH}/pkg/* \
    && install -c ${GOPATH}/bin/protoc-gen* /out/usr/bin/

# Build protoc-gen-grpc-gateway and protoc-gen-openapiv2 from infobloxopen/grpc-gateway where it is kept consistent
# with infoblox products (protoc-gen-openapiv2 etc.).
# TODO: identify all custom changes in the repo. Port the changes to opensource and use opensource version of grpc-gateway
RUN cd ${GOPATH}/src/github.com/infobloxopen && git clone --single-branch --branch v2.0.2 https://github.com/infobloxopen/grpc-gateway.git && \
    cd ${GOPATH}/src/github.com/infobloxopen/grpc-gateway/protoc-gen-grpc-gateway && go build -o /out/usr/bin/protoc-gen-grpc-gateway main.go && \
    cd ${GOPATH}/src/github.com/infobloxopen/grpc-gateway/protoc-gen-openapiv2 && go build -o /out/usr/bin/protoc-gen-openapiv2 main.go

# Build with infoblox atlas_patch.
RUN cd ${GOPATH}/src/github.com/infobloxopen && git clone --single-branch --branch v1.0.0 https://github.com/infobloxopen/atlas-openapiv2-patch.git && \
    cd ${GOPATH}/src/github.com/infobloxopen/atlas-openapiv2-patch && go mod vendor && go build -o /out/usr/bin/atlas_patch ./cmd/server/.

# Copy in proto files, some are in non-go packages and are stored in third_party
# instead of being cloned from GitHub every build
COPY third_party/ /out/protos/go/src
RUN find ${GOPATH}/src -name "*.proto" -exec cp --parents {} /out/protos \;

FROM alpine:3.15
RUN apk add --no-cache libstdc++ protobuf-dev
COPY --from=builder /out/usr /usr
COPY --from=builder /out/protos /

WORKDIR /go/src

# protoc as an entry point for all plugins with import paths set
ENTRYPOINT ["protoc", "-I.", \
    # required import paths for protoc-gen-openapiv2 plugin
    "-Igithub.com/infobloxopen/grpc-gateway", \
    "-Igithub.com/infobloxopen/grpc-gateway/protoc-gen-openapiv2/options", \
    # required import paths for protoc-gen-validate plugin
    "-Igithub.com/envoyproxy/protoc-gen-validate/validate", \
    # required import paths for go-proto-validators plugin
    "-Igithub.com/mwitkow/go-proto-validators", \
    # required import paths for protoc-gen-gorm plugin, Should add /proto path once updated
    "-Igithub.com/infobloxopen/protoc-gen-gorm", \
    # required import paths for protoc-gen-atlas-query-validate plugin
    "-Igithub.com/infobloxopen/protoc-gen-atlas-query-validate", \
    # required import paths for protoc-gen-preprocess plugin
    "-Igithub.com/infobloxopen/protoc-gen-preprocess", \
    # required import paths for protoc-gen-atlas-validate plugin
    "-Igithub.com/infobloxopen/protoc-gen-atlas-validate" \
]