Merge pull request #2 from fexd12/shrink-docker-image

Shrink docker images

Author: ceelsoin

Dockerfile

@@ -1,13 +1,24 @@
-FROM alpine:latest
+FROM alpine:latest AS base
+RUN apk update && apk upgrade
+
+FROM base AS builder 
 
 RUN apk add go make git
 
 WORKDIR /app
 
 COPY . .
 
+RUN make build
+
+FROM base AS final
+
+WORKDIR /app
+
+COPY --from=builder /app/data.tar.gz /app/data.tar.gz
+
 RUN tar -xzf data.tar.gz && rm -rf data.tar.gz
 
-RUN make build
+COPY --from=builder /app/wserver /app/wserver
 
-CMD ["./wserver"]
+CMD ["./wserver"]