graham/aprs.me
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

docker cleanup

Browse source
This commit is contained in:
Graham McIntire 2025-06-16 10:52:52 -05:00
parent f0c25f7ff4
commit eafea1ed30
No known key found for this signature in database
3 changed files with 183 additions and 128 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

115
Dockerfile
View file

@ -1,29 +1,28 @@
# Find eligible builder and runner images on Docker Hub. We use Ubuntu/Debian
# instead of Alpine to avoid DNS resolution issues in production.
#
# https://hub.docker.com/r/hexpm/elixir/tags?page=1&name=ubuntu
# https://hub.docker.com/_/ubuntu?tab=tags
#
# This file is based on these images:
#
# - https://hub.docker.com/r/hexpm/elixir/tags - for the build image
# - https://hub.docker.com/_/debian?tab=tags&page=1&name=bullseye-20250610-slim - for the release image
# - https://pkgs.org/ - resource for finding needed packages
# - Ex: hexpm/elixir:1.18.4-erlang-27.3.4-debian-bullseye-20250610-slim
#
ARG ELIXIR_VERSION=1.18.4 ARG ELIXIR_VERSION=1.18.4
ARG OTP_VERSION=27.2.4 ARG OTP_VERSION=27.3.4
ARG DEBIAN_VERSION=bullseye-20250520-slim ARG DEBIAN_VERSION=bullseye-20250610-slim
# Set default non-root user and group IDs
ARG USER_ID=1000
ARG GROUP_ID=1000
ARG BUILDER_IMAGE="hexpm/elixir:${ELIXIR_VERSION}-erlang-${OTP_VERSION}-debian-${DEBIAN_VERSION}" ARG BUILDER_IMAGE="hexpm/elixir:${ELIXIR_VERSION}-erlang-${OTP_VERSION}-debian-${DEBIAN_VERSION}"
ARG RUNNER_IMAGE="debian:${DEBIAN_VERSION}" ARG RUNNER_IMAGE="debian:${DEBIAN_VERSION}"
FROM ${BUILDER_IMAGE} AS builder FROM ${BUILDER_IMAGE} as builder
# Set non-interactive frontend for debconf
ENV DEBIAN_FRONTEND=noninteractive
# install build dependencies # install build dependencies
RUN apt-get update -y && \ RUN apt-get update -y && apt-get install -y build-essential git \
apt-get upgrade -y && \ && apt-get clean && rm -f /var/lib/apt/lists/*_*
apt-get install -y --no-install-recommends \
build-essential \
git \
&& apt-get clean \
&& rm -rf /var/lib/apt/lists/* \
&& rm -rf /tmp/* \
&& rm -rf /var/tmp/*
# prepare build dir # prepare build dir
WORKDIR /app WORKDIR /app
@ -68,87 +67,31 @@ RUN mix release
# the compiled release and other runtime necessities # the compiled release and other runtime necessities
FROM ${RUNNER_IMAGE} FROM ${RUNNER_IMAGE}
# Install security updates and required packages
ENV DEBIAN_FRONTEND=noninteractive
RUN apt-get update -y && \ RUN apt-get update -y && \
apt-get upgrade -y && \ apt-get install -y libstdc++6 openssl libncurses5 locales ca-certificates \
apt-get install -y --no-install-recommends \ && apt-get clean && rm -f /var/lib/apt/lists/*_*
libstdc++6 \
openssl \
libncurses5 \
locales \
ca-certificates \
tini && \
apt-get clean && \
rm -rf /var/lib/apt/lists/* && \
# Create a non-root user and group with specific ID
groupadd -g 1000 aprs && \
useradd -r -g aprs -u 1000 -s /bin/false -M aprs && \
# Remove setuid and setgid permissions
find / -perm /6000 -type f -exec chmod a-s {} \; || true && \
# Secure system configurations
chmod 0600 /etc/login.defs && \
chmod 0600 /etc/passwd && \
chmod 0600 /etc/group && \
# Create and secure app directory
mkdir -p /app && \
chown aprs:aprs /app && \
chmod 0750 /app
# Set the locale # Set the locale
RUN sed -i '/en_US.UTF-8/s/^# //g' /etc/locale.gen && locale-gen RUN sed -i '/en_US.UTF-8/s/^# //g' /etc/locale.gen && locale-gen
ENV LANG=en_US.UTF-8 ENV LANG en_US.UTF-8
ENV LANGUAGE=en_US:en ENV LANGUAGE en_US:en
ENV LC_ALL=en_US.UTF-8 ENV LC_ALL en_US.UTF-8
WORKDIR "/app" WORKDIR "/app"
RUN chown nobody /app
# Set security-related environment variables # set runner ENV
ENV MIX_ENV="prod" \ ENV MIX_ENV="prod"
LANG=en_US.UTF-8 \
LANGUAGE=en_US:en \
LC_ALL=en_US.UTF-8 \
# Disable history files
HISTFILE=/dev/null \
# Prevent writing .erlang.cookie file
HOME=/dev/null \
# Add security headers
SECURITY_HEADERS="true" \
# Disable debug info in production
ERL_AFLAGS="+S 1:1 +A 1 +K true -kernel shell_history enabled -kernel shell_history_file_bytes 0" \
PHX_SERVER=true
# Only copy the final release from the build stage # Only copy the final release from the build stage
COPY --from=builder --chown=1000:1000 /app/_build/${MIX_ENV}/rel/aprs ./ COPY --from=builder --chown=nobody:root /app/_build/${MIX_ENV}/rel/aprs ./
# Copy the debug startup script USER nobody
COPY --chown=1000:1000 start_server.sh ./
USER 1000
# Ensure the server binary and startup script are executable
RUN chmod +x /app/bin/server && \
chmod +x /app/start_server.sh
# If using an environment that doesn't automatically reap zombie processes, it is # If using an environment that doesn't automatically reap zombie processes, it is
# advised to add an init process such as tini via `apt-get install` # advised to add an init process such as tini via `apt-get install`
# above and adding an entrypoint. See https://github.com/krallin/tini for details # above and adding an entrypoint. See https://github.com/krallin/tini for details
# ENTRYPOINT ["/tini", "--"] # ENTRYPOINT ["/tini", "--"]
# Add specific capabilities needed by the app CMD ["/app/bin/server"]
CMD ["/app/start_server.sh"]
# Add security-related metadata
LABEL org.opencontainers.image.vendor="APRS.me" \
org.opencontainers.image.title="APRS.me Server" \
org.opencontainers.image.description="APRS.me server with security hardening" \
org.opencontainers.image.version="${MIX_ENV}" \
org.opencontainers.image.created="$(date -u +'%Y-%m-%dT%H:%M:%SZ')" \
security.root-user="false" \
security.non-root-user="app" \
security.privileged="false"
# Container configuration is handled by Dokku
# Port is set dynamically by Dokku via PORT environment variable
EXPOSE 5000

154
Dockerfile-ugh Normal file
View file

@ -0,0 +1,154 @@
ARG ELIXIR_VERSION=1.18.4
ARG OTP_VERSION=27.2.4
ARG DEBIAN_VERSION=bullseye-20250520-slim
# Set default non-root user and group IDs
ARG USER_ID=1000
ARG GROUP_ID=1000
ARG BUILDER_IMAGE="hexpm/elixir:${ELIXIR_VERSION}-erlang-${OTP_VERSION}-debian-${DEBIAN_VERSION}"
ARG RUNNER_IMAGE="debian:${DEBIAN_VERSION}"
FROM ${BUILDER_IMAGE} AS builder
# Set non-interactive frontend for debconf
ENV DEBIAN_FRONTEND=noninteractive
# install build dependencies
RUN apt-get update -y && \
apt-get upgrade -y && \
apt-get install -y --no-install-recommends \
build-essential \
git \
&& apt-get clean \
&& rm -rf /var/lib/apt/lists/* \
&& rm -rf /tmp/* \
&& rm -rf /var/tmp/*
# prepare build dir
WORKDIR /app
# install hex + rebar
RUN mix local.hex --force && \
mix local.rebar --force
# set build ENV
ENV MIX_ENV="prod"
# install mix dependencies
COPY mix.exs mix.lock ./
RUN mix deps.get --only $MIX_ENV
RUN mkdir config
# copy compile-time config files before we compile dependencies
# to ensure any relevant config change will trigger the dependencies
# to be re-compiled.
COPY config/config.exs config/${MIX_ENV}.exs config/
RUN mix deps.compile
COPY priv priv
COPY lib lib
COPY assets assets
# compile assets
RUN mix assets.deploy
# Compile the release
RUN mix compile
# Changes to config/runtime.exs don't require recompiling the code
COPY config/runtime.exs config/
COPY rel rel
RUN mix release
# start a new build stage so that the final image will only contain
# the compiled release and other runtime necessities
FROM ${RUNNER_IMAGE}
# Install security updates and required packages
ENV DEBIAN_FRONTEND=noninteractive
RUN apt-get update -y && \
apt-get upgrade -y && \
apt-get install -y --no-install-recommends \
libstdc++6 \
openssl \
libncurses5 \
locales \
ca-certificates \
tini && \
apt-get clean && \
rm -rf /var/lib/apt/lists/* && \
# Create a non-root user and group with specific ID
groupadd -g 1000 aprs && \
useradd -r -g aprs -u 1000 -s /bin/false -M aprs && \
# Remove setuid and setgid permissions
find / -perm /6000 -type f -exec chmod a-s {} \; || true && \
# Secure system configurations
chmod 0600 /etc/login.defs && \
chmod 0600 /etc/passwd && \
chmod 0600 /etc/group && \
# Create and secure app directory
mkdir -p /app && \
chown aprs:aprs /app && \
chmod 0750 /app
# Set the locale
RUN sed -i '/en_US.UTF-8/s/^# //g' /etc/locale.gen && locale-gen
ENV LANG=en_US.UTF-8
ENV LANGUAGE=en_US:en
ENV LC_ALL=en_US.UTF-8
WORKDIR "/app"
# Set security-related environment variables
ENV MIX_ENV="prod" \
LANG=en_US.UTF-8 \
LANGUAGE=en_US:en \
LC_ALL=en_US.UTF-8 \
# Disable history files
HISTFILE=/dev/null \
# Prevent writing .erlang.cookie file
HOME=/dev/null \
# Add security headers
SECURITY_HEADERS="true" \
# Disable debug info in production
ERL_AFLAGS="+S 1:1 +A 1 +K true -kernel shell_history enabled -kernel shell_history_file_bytes 0" \
PHX_SERVER=true
# Only copy the final release from the build stage
COPY --from=builder --chown=1000:1000 /app/_build/${MIX_ENV}/rel/aprs ./
# Copy the debug startup script
COPY --chown=1000:1000 start_server.sh ./
USER 1000
# Ensure the server binary and startup script are executable
RUN chmod +x /app/bin/server && \
chmod +x /app/start_server.sh
# If using an environment that doesn't automatically reap zombie processes, it is
# advised to add an init process such as tini via `apt-get install`
# above and adding an entrypoint. See https://github.com/krallin/tini for details
# ENTRYPOINT ["/tini", "--"]
# Add specific capabilities needed by the app
CMD ["/app/start_server.sh"]
# Add security-related metadata
LABEL org.opencontainers.image.vendor="APRS.me" \
org.opencontainers.image.title="APRS.me Server" \
org.opencontainers.image.description="APRS.me server with security hardening" \
org.opencontainers.image.version="${MIX_ENV}" \
org.opencontainers.image.created="$(date -u +'%Y-%m-%dT%H:%M:%SZ')" \
security.root-user="false" \
security.non-root-user="app" \
security.privileged="false"
# Container configuration is handled by Dokku
# Port is set dynamically by Dokku via PORT environment variable
EXPOSE 5000

42
start_server.sh
View file

@ -1,42 +0,0 @@
#!/bin/bash
set -e
echo "=== APRS Server Startup Debug Script ==="
echo "Time: $(date)"
echo "Working directory: $(pwd)"
echo "User: $(whoami)"
echo "UID: $(id -u)"
echo ""
echo "=== Environment Variables ==="
echo "PORT: ${PORT:-'not set'}"
echo "PHX_SERVER: ${PHX_SERVER:-'not set'}"
echo "PHX_HOST: ${PHX_HOST:-'not set'}"
echo "MIX_ENV: ${MIX_ENV:-'not set'}"
echo "DATABASE_URL: ${DATABASE_URL:+***set***}"
echo "SECRET_KEY_BASE: ${SECRET_KEY_BASE:+***set***}"
echo ""
echo "=== File System Check ==="
echo "App directory contents:"
ls -la /app/
echo ""
echo "Bin directory contents:"
ls -la /app/bin/
echo ""
echo "Server script permissions:"
ls -la /app/bin/server
echo ""
echo "=== Network Configuration ==="
echo "Available network interfaces:"
ip addr show 2>/dev/null || ifconfig 2>/dev/null || echo "Network tools not available"
echo ""
echo "=== Starting Phoenix Server ==="
echo "Executing: /app/bin/server"
echo "Expected to bind to port: ${PORT:-4000}"
echo ""
# Start the server
exec /app/bin/server