buildgo-v1.12.0.1

feat(buildgo): Add postgresql-client (#71)

librdkafka-v1.0.0

feat(librdkafka): Create image alpine-based (#69)

prototool-v1.4.0

feat(prototool): Add grpc-gateway protoc plugin (#66)

I also bumped prototool and protoc gen go plugin version to get version
supporting grpc-gateway generation.

buildgo-v1.12.0

core(buildgo): Update buildgo image README.md (#64)

prototool-v1.0.0

version(prototool): v1.0.0 (#56)