Introduce docker build

Source: https://github.com/audiocodes/docker-rtpengine.

.dockerignore

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+Dockerfile
+config.mk
+daemon/rtpengine
+docs/
+lib/dtmf_rx_fillin.h
+lib/fix_frame_channel_layout.h
+lib/spandsp_logging.h
+perf-tester/
+recording-daemon/rtpengine-recording
+t/
+tests/
+**/*.strhash.c
+**/.*
+**/*.8
+**/*.o
+**/core
+**/core.*

Dockerfile

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+FROM debian:trixie-slim AS build
+
+RUN apt-get update \
+  && DEBIAN_FRONTEND=noninteractive apt-get install -y --no-install-recommends \
+  build-essential \
+  ca-certificates \
+  curl \
+  default-libmysqlclient-dev \
+  g++ \
+  gcc \
+  git \
+  gperf \
+  iproute2 \
+  iptables \
+  libavcodec-extra \
+  libavfilter-dev \
+  libcurl4-openssl-dev \
+  libevent-dev \
+  libhiredis-dev \
+  libiptc-dev \
+  libjson-glib-dev \
+  libjwt-dev \
+  libmnl-dev \
+  libncursesw5-dev \
+  libnftnl-dev \
+  libopus-dev \
+  libpcap-dev \
+  libpcre2-dev \
+  libspandsp-dev \
+  libssl-dev \
+  libwebsockets-dev \
+  make \
+  markdown \
+  patch
+
+WORKDIR /usr/src/rtpengine
+COPY . .
+
+FROM build AS rtpengine
+WORKDIR /usr/src/rtpengine/daemon
+RUN make -j$(nproc) rtpengine && \
+  strip -o /usr/local/bin/rtpengine rtpengine
+
+FROM build AS rtpengine-recording
+WORKDIR /usr/src/rtpengine/recording-daemon
+RUN make -j$(nproc) rtpengine-recording && \
+  strip -o /usr/local/bin/rtpengine-recording rtpengine-recording
+
+FROM debian:trixie-slim
+
+VOLUME ["/rec"]
+ENTRYPOINT ["/entrypoint.sh"]
+CMD ["rtpengine"]
+
+EXPOSE 23000-65535/udp 22222/udp
+
+RUN apt-get update \
+  && DEBIAN_FRONTEND=noninteractive apt-get install -y --no-install-recommends \
+  curl \
+  iproute2 \
+  iptables \
+  libglib2.0-0 \
+  libavcodec-extra \
+  libavfilter10 \
+  libcurl4 \
+  libevent-2.1-7 \
+  libevent-pthreads-2.1-7 \
+  libhiredis1.1.0 \
+  libip6tc2 \
+  libjson-glib-1.0-0 \
+  libjwt2 \
+  libmariadb3 \
+  libmnl0 \
+  libncursesw6 \
+  libnftnl11 \
+  libopus0 \
+  libpcap0.8 \
+  libpcre2-8-0 \
+  libspandsp2 \
+  libssl3 \
+  libwebsockets19 \
+  net-tools \
+  procps \
+  sudo \
+  && apt-get clean && rm -rf /var/lib/apt/lists/*
+
+COPY --from=rtpengine /usr/local/bin/rtpengine /usr/local/bin/
+COPY --from=rtpengine-recording /usr/local/bin/rtpengine-recording /usr/local/bin/
+COPY docker/entrypoint.sh /entrypoint.sh
+RUN echo '%sudo   ALL=(ALL:ALL) NOPASSWD: ALL' > /etc/sudoers.d/nopasswd && \
+  groupadd --gid 1000 rtpengine && \
+  useradd --uid 1000 --gid rtpengine -G sudo --shell /bin/bash --create-home rtpengine
+USER rtpengine
+WORKDIR /home/rtpengine
+COPY docker/rtpengine.conf .

docker/entrypoint.sh

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+#!/bin/bash
+set -e
+
+PATH=/usr/local/bin:$PATH
+
+case $CLOUD in
+  gcp)
+    LOCAL_IP=$(curl -s -H "Metadata-Flavor: Google" http://metadata.google.internal/computeMetadata/v1/instance/network-interfaces/0/ip)
+    PUBLIC_IP=$(curl -s -H "Metadata-Flavor: Google" http://metadata/computeMetadata/v1/instance/network-interfaces/0/access-configs/0/external-ip)
+    ;;
+  aws)
+    LOCAL_IP=$(curl -s http://169.254.169.254/latest/meta-data/local-ipv4)
+    PUBLIC_IP=$(curl -s http://169.254.169.254/latest/meta-data/public-ipv4)
+    ;;
+  scaleway)
+    LOCAL_IP=$(curl -s --local-port 1-1024 http://169.254.42.42/conf | grep PRIVATE_IP | cut -d = -f 2)
+    PUBLIC_IP=$(curl -s --local-port 1-1024 http://169.254.42.42/conf | grep PUBLIC_IP_ADDRESS | cut -d = -f 2)
+    ;;
+  digitalocean)
+    LOCAL_IP=$(curl -s http://169.254.169.254/metadata/v1/interfaces/private/0/ipv4/address)
+    PUBLIC_IP=$(curl -s http://169.254.169.254/metadata/v1/interfaces/public/0/ipv4/address)
+    ;;
+  azure)
+    LOCAL_IP=$(curl -H Metadata:true "http://169.254.169.254/metadata/instance/network/interface/0/ipv4/ipAddress/0/privateIpAddress?api-version=2017-08-01&format=text")
+    PUBLIC_IP=$(curl -H Metadata:true "http://169.254.169.254/metadata/instance/network/interface/0/ipv4/ipAddress/0/publicIpAddress?api-version=2017-08-01&format=text")
+    ;;
+  *)
+    ;;
+esac
+
+if [ -n "$PUBLIC_IP" ]; then
+  MY_IP="$LOCAL_IP"!"$PUBLIC_IP"
+elif [ -n "$LOCAL_IP" ]; then
+  MY_IP="$LOCAL_IP"
+else
+  MY_IP=$(hostname -I | cut -f1 -d' ')
+  LOCAL_IP="$MY_IP"
+fi
+
+sed -i -e "s:\(interface=.*\)MY_IP:\1$MY_IP:g" rtpengine.conf
+sed -i -e "s/MY_IP/$LOCAL_IP/g" rtpengine.conf
+
+if [ "$1" = 'rtpengine' ]; then
+  shift
+  exec rtpengine --config-file rtpengine.conf  "$@"
+fi
+
+exec "$@"

docker/rtpengine.conf

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+[rtpengine]
+interface=public/MY_IP
+foreground=true
+log-stderr=true
+listen-ng=MY_IP:22222
+port-min=23000
+port-max=32768
+recording-dir=/rec
+recording-method=pcap
+recording-format=eth
+log-level=6
+delete-delay=0
+listen-http=MY_IP:8080