coturn/docker/coturn/alpine/Dockerfile
2021-04-01 17:41:55 +03:00

134 lines
3.3 KiB
Docker

#
# Dockerfile of coturn/coturn:alpine Docker image.
#
ARG alpine_ver=3.13
#
# Stage 'dist-coturn' creates Coturn distribution.
#
# https://hub.docker.com/_/alpine
FROM alpine:${alpine_ver} AS dist-coturn
ARG coturn_git_ref=HEAD
# Install tools for building.
RUN apk update \
&& apk add --no-cache \
autoconf coreutils g++ git libtool make
# Install Coturn build dependencies.
RUN apk add --no-cache \
linux-headers \
libevent-dev \
openssl-dev \
postgresql-dev mariadb-connector-c-dev sqlite-dev \
hiredis-dev \
mongo-c-driver-dev
# Prepare local Coturn sources for building.
COPY CMakeLists.txt \
configure \
INSTALL \
LICENSE LICENSE.OpenSSL \
make-man.sh Makefile.in \
postinstall.txt \
README.turn* \
/app/
COPY cmake/ /app/cmake/
COPY examples/ /app/examples/
COPY man/ /app/man/
COPY src/ /app/src/
COPY turndb/ /app/turndb/
WORKDIR /app/
# Use Coturn sources from Git if `coturn_git_ref` is specified.
RUN if [ "${coturn_git_ref}" != 'HEAD' ]; then true \
&& rm -rf /app/* \
&& git init \
&& git remote add origin https://github.com/coturn/coturn \
&& git pull origin "${coturn_git_ref}" \
&& true; fi
# Build Coturn from sources.
RUN ./configure --prefix=/usr \
--turndbdir=/var/lib/coturn \
--disable-rpath \
--sysconfdir=/etc/coturn \
# No documentation included to keep image size smaller.
--mandir=/tmp/coturn/man \
--docsdir=/tmp/coturn/docs \
--examplesdir=/tmp/coturn/examples \
&& make
# Install and configure Coturn.
RUN mkdir -p /out/ \
&& DESTDIR=/out make install \
# Remove redundant files.
&& rm -rf /out/tmp/ \
# Preserve license file.
&& mkdir -p /out/usr/share/licenses/coturn/ \
&& cp LICENSE /out/usr/share/licenses/coturn/ \
# Remove default config file.
&& rm -f /out/etc/coturn/turnserver.conf.default
# Install helper tools of Docker image.
COPY docker/coturn/alpine/rootfs/ /out/
RUN chmod +x /out/usr/local/bin/docker-entrypoint.sh \
/out/usr/local/bin/detect-external-ip.sh
RUN ln -s /usr/local/bin/detect-external-ip.sh \
/out/usr/local/bin/detect-external-ip
RUN chown -R nobody:nogroup /out/var/lib/coturn/
#
# Stage 'runtime' creates final Docker image to use in runtime.
#
# https://hub.docker.com/_/alpine
FROM alpine:${alpine_ver} AS runtime
LABEL org.opencontainers.image.source="https://github.com/coturn/coturn"
# Update system packages.
RUN apk update \
&& apk upgrade \
&& apk add --no-cache ca-certificates \
&& update-ca-certificates \
# Install Coturn dependencies.
&& apk add --no-cache \
libevent \
libcrypto1.1 libssl1.1 \
libpq mariadb-connector-c sqlite-libs \
hiredis \
mongo-c-driver \
# Cleanup unnecessary stuff.
&& rm -rf /var/cache/apk/*
# Install Coturn distribution.
COPY --from=dist-coturn /out/ /
# Allow non-root using privileged ports.
RUN apk add --no-cache libcap \
&& setcap CAP_NET_BIND_SERVICE=+ep /usr/bin/turnserver \
# Cleanup unnecessary stuff.
&& apk del libcap \
&& rm -rf /var/cache/apk/*
USER nobody:nogroup
EXPOSE 3478 3478/udp
VOLUME ["/var/lib/coturn"]
ENTRYPOINT ["docker-entrypoint.sh"]
CMD ["--log-file=stdout", "--external-ip=$(detect-external-ip)"]