From 97c30b696824c40ef8eee03731d7c96ac113ea0d Mon Sep 17 00:00:00 2001
From: Rafael Soares <rafael.dvlpr@gmail.com>
Date: Thu, 28 Nov 2024 16:05:14 -0300
Subject: [PATCH] update dockerefile for build with go 1.19 and use multistage
 build

---
 docker/Dockerfile | 17 +++++++++--------
 1 file changed, 9 insertions(+), 8 deletions(-)

diff --git a/docker/Dockerfile b/docker/Dockerfile
index 94b7505..c4f1fb2 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -1,4 +1,4 @@
-FROM golang:1.17.3-alpine3.14
+FROM golang:1.19-alpine3.18 AS builder
 
 WORKDIR /app
 
@@ -6,15 +6,16 @@ RUN apk update \
   && apk add --virtual build-deps gcc git \
   && rm -rf /var/cache/apk/*
 
-RUN addgroup -S golang \
-  && adduser -S -G golang golang
-
 COPY . .
 
-RUN go install -v ./cmd/...
-RUN chown -R golang /app
+RUN --mount=type=cache,target=/go/pkg/mod/ \
+  go install -v ./cmd/...
+
+FROM alpine:3.18
 
-USER golang
+COPY --from=builder /go/bin/ /app/
+
+WORKDIR /app
 
 EXPOSE 8080
-ENTRYPOINT ["rp-archiver"]
+ENTRYPOINT ["./rp-archiver"]