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Lightweight Busybox container build

pull/5285/head
outlook84 2025-07-12 23:26:30 +00:00
parent 7c716862c1
commit d37aea1e85
2 changed files with 42 additions and 11 deletions
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44
Dockerfile
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FROM alpine:3.22 ## Multistage build: First stage fetches dependencies
FROM alpine:3.22 AS fetcher
# Set working directory
WORKDIR /workdir
# install and copy ca-certificates, mailcap, and tini-static; download JSON.sh
RUN apk update && \ RUN apk update && \
apk --no-cache add ca-certificates mailcap jq tini apk --no-cache add ca-certificates mailcap tini-static && \
wget -O ./JSON.sh https://raw.githubusercontent.com/dominictarr/JSON.sh/0d5e5c77365f63809bf6e77ef44a1f34b0e05840/JSON.sh && \
cp -r /etc/ssl ./ && \
cp -r /etc/ca-certificates ./ && \
cp /etc/ca-certificates.conf ./ && \
cp /etc/mime.types ./ && \
cp /sbin/tini-static ./
# Make user and create necessary directories ## Second stage: Use lightweight BusyBox image for final runtime environment
FROM busybox:1.37.0-musl
# Define non-root user UID and GID
ENV UID=1000 ENV UID=1000
ENV GID=1000 ENV GID=1000
# Create user group and user
RUN addgroup -g $GID user && \ RUN addgroup -g $GID user && \
adduser -D -u $UID -G user user && \ adduser -D -u $UID -G user user
mkdir -p /config /database /srv && \
chown -R user:user /config /database /srv
# Copy files and set permissions # Copy binary, scripts, and configurations into image with proper ownership
COPY filebrowser /bin/filebrowser COPY --chown=user:user filebrowser /bin/filebrowser
COPY docker/common/ / COPY --chown=user:user docker/common/ /
COPY docker/alpine/ / COPY --chown=user:user docker/alpine/ /
COPY --chown=user:user --from=fetcher /workdir/tini-static /bin/tini
COPY --from=fetcher /workdir/JSON.sh /JSON.sh
COPY --from=fetcher /workdir/ca-certificates.conf /etc/ca-certificates.conf
COPY --from=fetcher /workdir/ca-certificates /etc/ca-certificates
COPY --from=fetcher /workdir/mime.types /etc/mime.types
COPY --from=fetcher /workdir/ssl /etc/ssl
RUN chown -R user:user /bin/filebrowser /defaults healthcheck.sh init.sh # Create data directories, set ownership, and ensure healthcheck script is executable
RUN mkdir -p /config /database /srv && \
chown -R user:user /config /database /srv \
&& chmod +x /healthcheck.sh
# Define healthcheck script # Define healthcheck script
HEALTHCHECK --start-period=2s --interval=5s --timeout=3s CMD /healthcheck.sh HEALTHCHECK --start-period=2s --interval=5s --timeout=3s CMD /healthcheck.sh

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docker/alpine/healthcheck.sh Normal file
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#!/bin/sh
set -e
PORT=${FB_PORT:-$(cat /config/settings.json | sh /JSON.sh | grep '\["port"\]' | awk '{print $2}')}
ADDRESS=${FB_ADDRESS:-$(cat /config/settings.json | sh /JSON.sh | grep '\["address"\]' | awk '{print $2}' | sed 's/"//g')}
ADDRESS=${ADDRESS:-localhost}
wget -q --spider http://$ADDRESS:$PORT/health || exit 1