From c41bdc645da9c6aae1f1095a3d223a1e9fc91c24 Mon Sep 17 00:00:00 2001
From: Alexey <sotchenkoff@gmail.com>
Date: Mon, 8 Apr 2024 21:33:54 +0300
Subject: [PATCH] multi-stage building

Reduced the weight of the container with the broker by 10 times using multi-stage assembly
---
 Dockerfile | 16 +++++++++++-----
 1 file changed, 11 insertions(+), 5 deletions(-)

diff --git a/Dockerfile b/Dockerfile
index aa71f1e..642ece4 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,14 +1,20 @@
-FROM golang:alpine
+FROM golang:1.22  as builder
 
 WORKDIR /app
-
 COPY . .
-RUN go mod download
 
+ENV CGO_ENABLED 0
+ENV GOOS linux
+
+RUN go mod download
 RUN go build -o limero ./cmd/limero/main.go
 
-EXPOSE 7920
 
-ENTRYPOINT [ "/app/limero" ]
+FROM alpine:3.19
+
+WORKDIR /app
+COPY --from=builder /app/limero .
 
+EXPOSE 7920
 
+ENTRYPOINT [ "/app/limero" ]
\ No newline at end of file