From 09aa735a458ce74b69fe4fc940f9adb2bccccbe8 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ga=C3=ABtan=20Ars?=
 <29622411+gaetanars@users.noreply.github.com>
Date: Thu, 14 Dec 2023 10:31:04 +0100
Subject: [PATCH] feat: use distroless base image

---
 Dockerfile | 19 ++++---------------
 1 file changed, 4 insertions(+), 15 deletions(-)

diff --git a/Dockerfile b/Dockerfile
index 3f590b83..aa13c466 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -12,20 +12,9 @@ WORKDIR /src
 RUN GOGC=off go build -mod=vendor -v -o /sql_exporter .
 
 # multistage
-FROM alpine:3.18.3
+FROM gcr.io/distroless/static:nonroot
 
-RUN apk --update upgrade && \
-    apk add curl ca-certificates && \
-    apk add tzdata && \
-    update-ca-certificates && \
-    rm -rf /var/cache/apk/*
+USER nonroot:nonroot
+COPY --from=bin --chown=nonroot:nonroot --chmod=0755 /usr/bin/sql_exporter /
 
-COPY --from=builder /sql_exporter /usr/bin/sql_exporter
-
-# Run the image as a non-root user
-RUN adduser -D prom
-RUN chmod 0755 /usr/bin/sql_exporter
-
-USER prom
-
-CMD sql_exporter
+ENTRYPOINT ["/sql_exporter"]