update docker file for accounting service

Author: dineshg13

src/accountingservice/Dockerfile

@@ -8,8 +8,30 @@ WORKDIR /usr/src/app/
 RUN apk update \
     && apk add --no-cache make protobuf-dev
 
-COPY ./src/accountingservice/ ./
-RUN go build -o /go/bin/accountingservice/
+WORKDIR /usr/src/app
+
+RUN apk update \
+    && apk add --no-cache make protobuf-dev
+
+COPY ./src/accountingservice/go.sum tools/go.sum
+COPY ./src/accountingservice/go.mod tools/go.mod
+COPY ./src/accountingservice/tools.go tools/tools.go
+
+WORKDIR /usr/src/app/tools
+
+RUN go mod download \
+    && go list -e -f '{{range .Imports}}{{.}} {{end}}' tools.go | CGO_ENABLED=0 xargs go install -mod=readonly
+
+WORKDIR /usr/src/app/
+
+COPY ./src/accountingservice ./src/accountingservice
+COPY ./pb ./pb
+
+RUN protoc -I ./pb ./pb/demo.proto --go_out=./src/accountingservice --go-grpc_out=./src/accountingservice
+WORKDIR /usr/src/app/src/accountingservice
+RUN go build -ldflags "-s -w" -o /go/bin/accountingservice/ ./
+
+
 
 # -----------------------------------------------------------------------------
 
@@ -19,4 +41,4 @@ WORKDIR /usr/src/app/
 
 COPY --from=builder /go/bin/accountingservice/ ./
 
-ENTRYPOINT [ "./accountingservice" ]
+ENTRYPOINT [ "./accountingservice" ]