add COPY comment

Author: TheFox0x7

.dockerignore

@@ -74,8 +74,8 @@ cpu.out
 /VERSION
 /.air
 /.go-licenses
-Dockerfile
-Dockerfile.rootless
+/Dockerfile
+/Dockerfile.rootless
 
 # Files and folders that were previously generated
 /public/assets/img/webpack

Dockerfile

@@ -17,6 +17,9 @@ RUN apk --no-cache add \
     pnpm
 
 WORKDIR ${GOPATH}/src/code.gitea.io/gitea
+# Use COPY but not "mount" because some directories like "node_modules" contain platform-depended contents and these directories need to be ignored.
+# ".git" directory will be mounted later separately for getting version data.
+# TODO: in the future, maybe we can pre-build the frontend assets on one platform and share them for different platforms, the benefit is that it won't be affected by webpack plugin compatibility problems, then the working directory can be fully mounted and the COPY is not needed.
 COPY --exclude=.git/ . .
 
 # Build gitea, .git mount is required for version data
@@ -40,7 +43,7 @@ FROM docker.io/library/alpine:3.22 AS gitea
 
 EXPOSE 22 3000
 
-RUN apk add --no-cache \
+RUN apk --no-cache add \
     bash \
     ca-certificates \
     curl \
@@ -66,7 +69,7 @@ RUN addgroup \
   echo "git:*" | chpasswd -e
 
 COPY --from=build-env /tmp/local /
-COPY --chmod=755 --from=build-env /go/src/code.gitea.io/gitea/gitea /app/gitea/gitea
+COPY --from=build-env /go/src/code.gitea.io/gitea/gitea /app/gitea/gitea
 
 ENV USER=git
 ENV GITEA_CUSTOM=/data/gitea

Dockerfile.rootless

@@ -17,6 +17,7 @@ RUN apk --no-cache add \
     pnpm
 
 WORKDIR ${GOPATH}/src/code.gitea.io/gitea
+# See the comments in Dockerfile
 COPY --exclude=.git/ . .
 
 # Build gitea, .git mount is required for version data
@@ -61,7 +62,7 @@ RUN mkdir -p /var/lib/gitea /etc/gitea
 RUN chown git:git /var/lib/gitea /etc/gitea
 
 COPY --from=build-env /tmp/local /
-COPY --from=build-env --chmod=755 --chown=root:root /go/src/code.gitea.io/gitea/gitea /app/gitea/gitea
+COPY --from=build-env --chown=root:root /go/src/code.gitea.io/gitea/gitea /app/gitea/gitea
 
 # git:git
 USER 1000:1000