chain gateway build

ci/prod/compose/chain_gateway.dockerfile

@@ -0,0 +1,40 @@
+# syntax=docker/dockerfile:1.7
+
+ARG TARGETOS=linux
+ARG TARGETARCH=amd64
+
+FROM golang:alpine AS build
+ARG APP_VERSION=dev
+ARG GIT_REV=unknown
+ARG BUILD_BRANCH=unknown
+ARG BUILD_DATE=unknown
+ARG BUILD_USER=ci
+ENV GO111MODULE=on
+ENV PATH="/go/bin:${PATH}"
+WORKDIR /src
+COPY . .
+RUN apk add --no-cache bash git build-base protoc protobuf-dev \
+ && go install google.golang.org/protobuf/cmd/protoc-gen-go@latest \
+ && go install google.golang.org/grpc/cmd/protoc-gen-go-grpc@latest \
+ && bash ci/scripts/proto/generate.sh
+WORKDIR /src/api/chain/gateway
+RUN --mount=type=cache,target=/root/.cache/go-build \
+    --mount=type=cache,target=/go/pkg/mod \
+    CGO_ENABLED=0 GOOS=${TARGETOS} GOARCH=${TARGETARCH} \
+    go build -trimpath -ldflags "\
+      -s -w \
+      -X github.com/tech/sendico/chain/gateway/internal/appversion.Version=${APP_VERSION} \
+      -X github.com/tech/sendico/chain/gateway/internal/appversion.Revision=${GIT_REV} \
+      -X github.com/tech/sendico/chain/gateway/internal/appversion.Branch=${BUILD_BRANCH} \
+      -X github.com/tech/sendico/chain/gateway/internal/appversion.BuildUser=${BUILD_USER} \
+      -X github.com/tech/sendico/chain/gateway/internal/appversion.BuildDate=${BUILD_DATE}" \
+    -o /out/chain-gateway .
+
+FROM alpine:latest AS runtime
+RUN apk add --no-cache ca-certificates tzdata wget
+WORKDIR /app
+COPY api/chain/gateway/config.yml /app/config.yml
+COPY --from=build /out/chain-gateway /app/chain-gateway
+EXPOSE 50070 9403
+ENTRYPOINT ["/app/chain-gateway"]
+CMD ["--config.file", "/app/config.yml"]