Add HW 2

homework/02-grpc-messenger/templates/messenger-go/client.dockerfile

@@ -0,0 +1,11 @@
+FROM golang:1.23-alpine AS builder
+
+WORKDIR /grpc-messenger
+COPY proto proto
+COPY client client
+RUN cd client && go mod download && go build .
+
+FROM alpine:latest
+WORKDIR /grpc-messenger
+COPY --from=builder /grpc-messenger .
+CMD ["./client/client"]