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# syntax=docker/dockerfile:1
# Create a basic stage set up to build APKs
FROM alpine:3.20 as alpine-builder
RUN apk add \
--update-cache \
abuild \
alpine-conf \
alpine-sdk \
&& setup-apkcache /var/cache/apk \
&& mkdir -p /pkgs/apk \
&& echo 'builder ALL=(ALL) NOPASSWD:ALL' >> /etc/sudoers
RUN adduser -D -G abuild builder && su builder -c 'abuild-keygen -a -n'
# This stage builds an APK for libyang
FROM alpine-builder as alpine-apk-builder-libyang
RUN mkdir -p /src/libyang
COPY docker/alpine/libyang/APKBUILD /src/libyang
RUN chown -R builder /pkgs /src
USER builder
RUN cd /src/libyang \
&& abuild checksum \
&& git init \
&& abuild -r -P /pkgs/apk
# This stage builds a dist tarball from the source
FROM alpine:3.20 as source-builder
RUN mkdir -p /src/alpine /pkgs/apk
COPY alpine/APKBUILD.in /src/alpine
COPY --from=alpine-apk-builder-libyang /pkgs/apk/src /pkgs/apk
RUN cd /pkgs/apk && apk add --allow-untrusted */*.apk
RUN source /src/alpine/APKBUILD.in \
&& apk add \
--no-cache \
--update-cache \
$makedepends
COPY . /src
ARG PKGVER
RUN cd /src \
&& ./bootstrap.sh \
&& ./configure \
--enable-numeric-version \
--with-pkg-extra-version="_git$PKGVER" \
&& make dist
# This stage builds an APK from the dist tarball
FROM alpine-builder as alpine-apk-builder
COPY --from=source-builder /src/frr-*.tar.gz /src/alpine/* /dist/
COPY --from=alpine-apk-builder-libyang /pkgs/apk/src /pkgs/apk
RUN cd /pkgs/apk && apk add --allow-untrusted */*.apk
RUN find /pkgs/apk -type f -name APKINDEX.tar.gz -delete
RUN chown -R builder /dist /pkgs
USER builder
RUN cd /dist \
&& abuild checksum \
&& git init \
&& abuild -r -P /pkgs/apk
# This stage installs frr from the apk
FROM alpine:3.20
RUN mkdir -p /pkgs/apk
COPY --from=alpine-apk-builder /pkgs/apk/ /pkgs/apk/
RUN apk add \
--no-cache \
--update-cache \
tini \
&& apk add \
--no-cache \
--allow-untrusted /pkgs/apk/*/*.apk \
&& rm -rf /pkgs
# Own the config / PID files
RUN mkdir -p /var/run/frr
RUN chown -R frr:frr /etc/frr /var/run/frr
# Simple init manager for reaping processes and forwarding signals
ENTRYPOINT ["/sbin/tini", "--"]
# Default CMD starts watchfrr
COPY docker/alpine/docker-start /usr/lib/frr/docker-start
CMD ["/usr/lib/frr/docker-start"]
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