Update Dockerfile

Dockerfile

@@ -1,86 +1,17 @@
-# Build stage
-FROM docker.io/library/golang:1.24-alpine3.21 AS build-env
+ADD alpine-minirootfs-3.21.3-x86_64.tar.gz / # buildkit
+CMD ["/bin/sh"]
 
-ARG GOPROXY
-ENV GOPROXY=${GOPROXY:-direct}
+EXPOSE map[22/tcp:{} 3000/tcp:{}]
 
-ARG GITEA_VERSION
-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 \
-    && rm -rf /var/cache/apk/*
-
-# Setup repo
-COPY . ${GOPATH}/src/code.gitea.io/gitea
-WORKDIR ${GOPATH}/src/code.gitea.io/gitea
-
-# Checkout version if set
-RUN if [ -n "${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:3.21
-LABEL maintainer="maintainers@gitea.io"
-
-EXPOSE 22 3000
-
-RUN apk --no-cache add \
-    bash \
-    ca-certificates \
-    curl \
-    gettext \
-    git \
-    linux-pam \
-    openssh \
-    s6 \
-    sqlite \
-    su-exec \
-    gnupg \
-    && rm -rf /var/cache/apk/*
-
-RUN addgroup \
-    -S -g 1000 \
-    git && \
-  adduser \
-    -S -H -D \
-    -h /data/git \
-    -s /bin/bash \
-    -u 1000 \
-    -G git \
-    git && \
-  echo "git:*" | chpasswd -e
+RUN /bin/sh -c apk --no-cache add     bash     ca-certificates     curl     gettext     git     linux-pam     openssh     s6     sqlite     su-exec     gnupg     && rm -rf /var/cache/apk/* # buildkit
 
+RUN /bin/sh -c addgroup     -S -g 1000     git &&   adduser     -S -H -D     -h /data/git     -s /bin/bash     -u 1000     -G git     git &&   echo "git:*" | chpasswd -e # buildkit
 ENV USER=git
 ENV GITEA_CUSTOM=/data/gitea
-
-VOLUME ["/data"]
-
+VOLUME [/data]
 ENTRYPOINT ["/usr/bin/entrypoint"]
-CMD ["/usr/bin/s6-svscan", "/etc/s6"]
-
-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
+CMD ["/usr/bin/s6-svscan" "/etc/s6"]
+COPY /tmp/local / # buildkit
+COPY /go/src/code.gitea.io/gitea/gitea /app/gitea/gitea # buildkit
+COPY /go/src/code.gitea.io/gitea/environment-to-ini /usr/local/bin/environment-to-ini # buildkit
+COPY /go/src/code.gitea.io/gitea/contrib/autocompletion/bash_autocomplete /etc/profile.d/gitea_bash_autocomplete.sh # buildkit