From 319414dd82fec916ed5668c198afa1be606d88b4 Mon Sep 17 00:00:00 2001
From: Patryk Krawaczyński <nfsec@users.noreply.github.com>
Date: Sun, 29 Oct 2023 02:44:06 +0100
Subject: Dockerfile small refactor (#27757)

- Size and layer optimization,
- Maintaining consistency in definitions (comments, apk etc.),
---
 Dockerfile | 36 ++++++++++++++++++++++++++----------
 1 file changed, 26 insertions(+), 10 deletions(-)

(limited to 'Dockerfile')

diff --git a/Dockerfile b/Dockerfile
index b42b4daa5f..5fe8df9126 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-#Build stage
+# Build stage
 FROM docker.io/library/golang:1.21-alpine3.18 AS build-env
 
 ARG GOPROXY
@@ -9,20 +9,38 @@ ARG TAGS="sqlite sqlite_unlock_notify"
 ENV TAGS "bindata timetzdata $TAGS"
 ARG CGO_EXTRA_CFLAGS
 
-#Build deps
-RUN apk --no-cache add build-base git nodejs npm
+# Build deps
+RUN apk --no-cache add \
+    build-base \
+    git \
+    nodejs \
+    npm \
+    && rm -rf /var/cache/apk/*
 
-#Setup repo
+# Setup repo
 COPY . ${GOPATH}/src/code.gitea.io/gitea
 WORKDIR ${GOPATH}/src/code.gitea.io/gitea
 
-#Checkout version if set
+# Checkout version if set
 RUN if [ -n "${GITEA_VERSION}" ]; then git checkout "${GITEA_VERSION}"; fi \
  && make clean-all build
 
 # Begin env-to-ini build
 RUN go build contrib/environment-to-ini/environment-to-ini.go
 
+# Copy local files
+COPY docker/root /tmp/local
+
+# Set permissions
+RUN chmod 755 /tmp/local/usr/bin/entrypoint \
+              /tmp/local/usr/local/bin/gitea \
+              /tmp/local/etc/s6/gitea/* \
+              /tmp/local/etc/s6/openssh/* \
+              /tmp/local/etc/s6/.s6-svscan/* \
+              /go/src/code.gitea.io/gitea/gitea \
+              /go/src/code.gitea.io/gitea/environment-to-ini
+RUN chmod 644 /go/src/code.gitea.io/gitea/contrib/autocompletion/bash_autocomplete
+
 FROM docker.io/library/alpine:3.18
 LABEL maintainer="maintainers@gitea.io"
 
@@ -39,7 +57,8 @@ RUN apk --no-cache add \
     s6 \
     sqlite \
     su-exec \
-    gnupg
+    gnupg \
+    && rm -rf /var/cache/apk/*
 
 RUN addgroup \
     -S -g 1000 \
@@ -61,10 +80,7 @@ VOLUME ["/data"]
 ENTRYPOINT ["/usr/bin/entrypoint"]
 CMD ["/bin/s6-svscan", "/etc/s6"]
 
-COPY docker/root /
+COPY --from=build-env /tmp/local /
 COPY --from=build-env /go/src/code.gitea.io/gitea/gitea /app/gitea/gitea
 COPY --from=build-env /go/src/code.gitea.io/gitea/environment-to-ini /usr/local/bin/environment-to-ini
 COPY --from=build-env /go/src/code.gitea.io/gitea/contrib/autocompletion/bash_autocomplete /etc/profile.d/gitea_bash_autocomplete.sh
-RUN chmod 755 /usr/bin/entrypoint /app/gitea/gitea /usr/local/bin/gitea /usr/local/bin/environment-to-ini
-RUN chmod 755 /etc/s6/gitea/* /etc/s6/openssh/* /etc/s6/.s6-svscan/*
-RUN chmod 644 /etc/profile.d/gitea_bash_autocomplete.sh
-- 
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