Dockerfile-dogstatsd-alpine

FROM alpine:3.6

MAINTAINER Datadog <package@datadoghq.com>

ARG AGENT_VERSION_ARG=5.32.7

ENV DD_HOME=/opt/datadog-agent \
    DOCKER_DD_AGENT=yes \
    # prevent the agent from being started after install
    DD_START_AGENT=0 \
    AGENT_VERSION=$AGENT_VERSION_ARG \
    DD_ETC_ROOT="/opt/datadog-agent/agent" \
    PATH="/opt/datadog-agent/venv/bin:/opt/datadog-agent/agent/bin:$PATH" \
    PYTHONPATH=/opt/datadog-agent/agent \
    DD_CONF_LOG_TO_SYSLOG=no \
    NON_LOCAL_TRAFFIC=yes

# Install minimal dependencies
RUN apk add -qU --no-cache curl-dev python-dev tar sysstat ca-certificates

# Install build dependencies
ADD https://raw.githubusercontent.com/DataDog/dd-agent/master/packaging/datadog-agent/source/setup_agent.sh /tmp/setup_agent.sh
RUN apk add -qU --no-cache -t .build-deps curl gcc musl-dev linux-headers \
    # Install the agent
    && DD_SKIP_INTEGRATIONS=1 sh /tmp/setup_agent.sh \
    # Clean build dependencies
    && apk del -q .build-deps \
    # Clean up the install script
    && rm /tmp/setup_agent.sh

# Add install and config files
COPY entrypoint-dogstatsd.sh /entrypoint.sh
COPY dogstatsd/supervisor-alpine.conf $DD_HOME/agent/supervisor.conf
COPY config_builder.py /config_builder.py

# Add healthcheck script
COPY probe-alpine.sh $DD_HOME/probe.sh

# Set proper permissions to allow running as a non-root user
RUN  mv $DD_HOME/agent/datadog.conf.example $DD_HOME/agent/datadog.conf \
  && chmod -R g+wx $DD_HOME \
  && chmod g+x /entrypoint.sh \
  && chmod +x $DD_HOME/probe.sh

# Expose DogStatsD port
EXPOSE 8125/udp

HEALTHCHECK --interval=5m --timeout=3s --retries=1 \
 CMD ./probe.sh

ENTRYPOINT ["/entrypoint.sh"]

USER 1001

CMD supervisord -n -c $DD_HOME/agent/supervisor.conf