Modifications for k8s integration

Dockerfile

@@ -1,30 +1,46 @@
+FROM golang:alpine AS deps
+
+WORKDIR /app
+COPY go.mod go.sum ./
+RUN sed -i '/replace/d' go.mod
+RUN go mod download
+
+#----------------------------------------------------------------------------------------------
+
 FROM golang:alpine AS builder
 
 WORKDIR /app 
 
-COPY . .
-
 RUN apk add git
 
-RUN go get github.com/beego/bee/v2 && go install github.com/beego/bee/v2@master
+RUN go install github.com/beego/bee/v2@latest
 
-RUN timeout 15 bee run -gendoc=true -downdoc=true -runmode=dev || :
+WORKDIR /oc-peer
 
-RUN sed -i 's/http:\/\/127.0.0.1:8080\/swagger\/swagger.json/swagger.json/g' swagger/index.html
+COPY --from=deps /go/pkg /go/pkg
+COPY --from=deps /app/go.mod /app/go.sum ./
 
-RUN CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build -ldflags="-w -s" -o setup .
+RUN export CGO_ENABLED=0 && \
+    export GOOS=linux && \
+    export GOARCH=amd64 && \
+    export BUILD_FLAGS="-ldflags='-w -s'"
 
-RUN ls /app
+COPY . .
 
-FROM scratch
+RUN sed -i '/replace/d' go.mod
+RUN bee pack
+RUN mkdir -p /app/extracted && tar -zxvf oc-peer.tar.gz -C /app/extracted
+RUN sed -i 's/http:\/\/127.0.0.1:8080\/swagger\/swagger.json/swagger.json/g' /app/extracted/swagger/index.html
+
+#----------------------------------------------------------------------------------------------
+
+FROM golang:alpine
 
 WORKDIR /app
+COPY --from=builder /app/extracted/oc-peer /usr/bin/ 
+COPY --from=builder /app/extracted/swagger /app/swagger
+COPY --from=builder /app/extracted/docker_conf.json /etc/oc/peer.json
 
-COPY --from=builder /app/setup /usr/bin/ 
-COPY --from=builder /app/swagger /app/swagger
+EXPOSE 8080
 
-COPY docker_conf.json /etc/oc/peer.json
-
-EXPOSE $PORT
-
-ENTRYPOINT ["setup"]
+ENTRYPOINT ["oc-peer"]