docker cleanup
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parent
f0c25f7ff4
commit
eafea1ed30
3 changed files with 183 additions and 128 deletions
115
Dockerfile
115
Dockerfile
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@ -1,29 +1,28 @@
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# Find eligible builder and runner images on Docker Hub. We use Ubuntu/Debian
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# instead of Alpine to avoid DNS resolution issues in production.
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#
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# https://hub.docker.com/r/hexpm/elixir/tags?page=1&name=ubuntu
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# https://hub.docker.com/_/ubuntu?tab=tags
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#
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# This file is based on these images:
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#
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# - https://hub.docker.com/r/hexpm/elixir/tags - for the build image
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# - https://hub.docker.com/_/debian?tab=tags&page=1&name=bullseye-20250610-slim - for the release image
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# - https://pkgs.org/ - resource for finding needed packages
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# - Ex: hexpm/elixir:1.18.4-erlang-27.3.4-debian-bullseye-20250610-slim
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#
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ARG ELIXIR_VERSION=1.18.4
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ARG OTP_VERSION=27.2.4
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ARG DEBIAN_VERSION=bullseye-20250520-slim
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# Set default non-root user and group IDs
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ARG USER_ID=1000
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ARG GROUP_ID=1000
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ARG OTP_VERSION=27.3.4
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ARG DEBIAN_VERSION=bullseye-20250610-slim
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ARG BUILDER_IMAGE="hexpm/elixir:${ELIXIR_VERSION}-erlang-${OTP_VERSION}-debian-${DEBIAN_VERSION}"
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ARG RUNNER_IMAGE="debian:${DEBIAN_VERSION}"
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FROM ${BUILDER_IMAGE} AS builder
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# Set non-interactive frontend for debconf
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ENV DEBIAN_FRONTEND=noninteractive
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FROM ${BUILDER_IMAGE} as builder
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# install build dependencies
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RUN apt-get update -y && \
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apt-get upgrade -y && \
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apt-get install -y --no-install-recommends \
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build-essential \
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git \
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&& apt-get clean \
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&& rm -rf /var/lib/apt/lists/* \
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&& rm -rf /tmp/* \
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&& rm -rf /var/tmp/*
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RUN apt-get update -y && apt-get install -y build-essential git \
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&& apt-get clean && rm -f /var/lib/apt/lists/*_*
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# prepare build dir
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WORKDIR /app
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@ -68,87 +67,31 @@ RUN mix release
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# the compiled release and other runtime necessities
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FROM ${RUNNER_IMAGE}
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# Install security updates and required packages
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ENV DEBIAN_FRONTEND=noninteractive
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RUN apt-get update -y && \
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apt-get upgrade -y && \
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apt-get install -y --no-install-recommends \
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libstdc++6 \
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openssl \
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libncurses5 \
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locales \
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ca-certificates \
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tini && \
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apt-get clean && \
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rm -rf /var/lib/apt/lists/* && \
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# Create a non-root user and group with specific ID
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groupadd -g 1000 aprs && \
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useradd -r -g aprs -u 1000 -s /bin/false -M aprs && \
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# Remove setuid and setgid permissions
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find / -perm /6000 -type f -exec chmod a-s {} \; || true && \
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# Secure system configurations
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chmod 0600 /etc/login.defs && \
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chmod 0600 /etc/passwd && \
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chmod 0600 /etc/group && \
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# Create and secure app directory
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mkdir -p /app && \
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chown aprs:aprs /app && \
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chmod 0750 /app
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apt-get install -y libstdc++6 openssl libncurses5 locales ca-certificates \
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&& apt-get clean && rm -f /var/lib/apt/lists/*_*
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# Set the locale
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RUN sed -i '/en_US.UTF-8/s/^# //g' /etc/locale.gen && locale-gen
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ENV LANG=en_US.UTF-8
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ENV LANGUAGE=en_US:en
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ENV LC_ALL=en_US.UTF-8
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ENV LANG en_US.UTF-8
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ENV LANGUAGE en_US:en
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ENV LC_ALL en_US.UTF-8
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WORKDIR "/app"
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RUN chown nobody /app
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# Set security-related environment variables
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ENV MIX_ENV="prod" \
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LANG=en_US.UTF-8 \
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LANGUAGE=en_US:en \
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LC_ALL=en_US.UTF-8 \
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# Disable history files
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HISTFILE=/dev/null \
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# Prevent writing .erlang.cookie file
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HOME=/dev/null \
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# Add security headers
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SECURITY_HEADERS="true" \
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# Disable debug info in production
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ERL_AFLAGS="+S 1:1 +A 1 +K true -kernel shell_history enabled -kernel shell_history_file_bytes 0" \
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PHX_SERVER=true
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# set runner ENV
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ENV MIX_ENV="prod"
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# Only copy the final release from the build stage
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COPY --from=builder --chown=1000:1000 /app/_build/${MIX_ENV}/rel/aprs ./
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COPY --from=builder --chown=nobody:root /app/_build/${MIX_ENV}/rel/aprs ./
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# Copy the debug startup script
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COPY --chown=1000:1000 start_server.sh ./
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USER 1000
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# Ensure the server binary and startup script are executable
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RUN chmod +x /app/bin/server && \
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chmod +x /app/start_server.sh
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USER nobody
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# If using an environment that doesn't automatically reap zombie processes, it is
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# advised to add an init process such as tini via `apt-get install`
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# above and adding an entrypoint. See https://github.com/krallin/tini for details
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# ENTRYPOINT ["/tini", "--"]
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# Add specific capabilities needed by the app
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CMD ["/app/start_server.sh"]
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# Add security-related metadata
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LABEL org.opencontainers.image.vendor="APRS.me" \
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org.opencontainers.image.title="APRS.me Server" \
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org.opencontainers.image.description="APRS.me server with security hardening" \
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org.opencontainers.image.version="${MIX_ENV}" \
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org.opencontainers.image.created="$(date -u +'%Y-%m-%dT%H:%M:%SZ')" \
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security.root-user="false" \
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security.non-root-user="app" \
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security.privileged="false"
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# Container configuration is handled by Dokku
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# Port is set dynamically by Dokku via PORT environment variable
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EXPOSE 5000
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CMD ["/app/bin/server"]
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154
Dockerfile-ugh
Normal file
154
Dockerfile-ugh
Normal file
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@ -0,0 +1,154 @@
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ARG ELIXIR_VERSION=1.18.4
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ARG OTP_VERSION=27.2.4
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ARG DEBIAN_VERSION=bullseye-20250520-slim
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# Set default non-root user and group IDs
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ARG USER_ID=1000
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ARG GROUP_ID=1000
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ARG BUILDER_IMAGE="hexpm/elixir:${ELIXIR_VERSION}-erlang-${OTP_VERSION}-debian-${DEBIAN_VERSION}"
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ARG RUNNER_IMAGE="debian:${DEBIAN_VERSION}"
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FROM ${BUILDER_IMAGE} AS builder
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# Set non-interactive frontend for debconf
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ENV DEBIAN_FRONTEND=noninteractive
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# install build dependencies
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RUN apt-get update -y && \
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apt-get upgrade -y && \
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apt-get install -y --no-install-recommends \
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build-essential \
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git \
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&& apt-get clean \
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&& rm -rf /var/lib/apt/lists/* \
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&& rm -rf /tmp/* \
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&& rm -rf /var/tmp/*
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# prepare build dir
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WORKDIR /app
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# install hex + rebar
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RUN mix local.hex --force && \
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mix local.rebar --force
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# set build ENV
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ENV MIX_ENV="prod"
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# install mix dependencies
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COPY mix.exs mix.lock ./
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RUN mix deps.get --only $MIX_ENV
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RUN mkdir config
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# copy compile-time config files before we compile dependencies
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# to ensure any relevant config change will trigger the dependencies
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# to be re-compiled.
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COPY config/config.exs config/${MIX_ENV}.exs config/
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RUN mix deps.compile
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COPY priv priv
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COPY lib lib
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COPY assets assets
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# compile assets
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RUN mix assets.deploy
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# Compile the release
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RUN mix compile
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# Changes to config/runtime.exs don't require recompiling the code
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COPY config/runtime.exs config/
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COPY rel rel
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RUN mix release
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# start a new build stage so that the final image will only contain
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# the compiled release and other runtime necessities
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FROM ${RUNNER_IMAGE}
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# Install security updates and required packages
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ENV DEBIAN_FRONTEND=noninteractive
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RUN apt-get update -y && \
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apt-get upgrade -y && \
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apt-get install -y --no-install-recommends \
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libstdc++6 \
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openssl \
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libncurses5 \
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locales \
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ca-certificates \
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tini && \
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apt-get clean && \
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rm -rf /var/lib/apt/lists/* && \
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# Create a non-root user and group with specific ID
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groupadd -g 1000 aprs && \
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useradd -r -g aprs -u 1000 -s /bin/false -M aprs && \
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# Remove setuid and setgid permissions
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find / -perm /6000 -type f -exec chmod a-s {} \; || true && \
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# Secure system configurations
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chmod 0600 /etc/login.defs && \
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chmod 0600 /etc/passwd && \
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chmod 0600 /etc/group && \
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# Create and secure app directory
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mkdir -p /app && \
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chown aprs:aprs /app && \
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chmod 0750 /app
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# Set the locale
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RUN sed -i '/en_US.UTF-8/s/^# //g' /etc/locale.gen && locale-gen
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ENV LANG=en_US.UTF-8
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ENV LANGUAGE=en_US:en
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ENV LC_ALL=en_US.UTF-8
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WORKDIR "/app"
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# Set security-related environment variables
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ENV MIX_ENV="prod" \
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LANG=en_US.UTF-8 \
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LANGUAGE=en_US:en \
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LC_ALL=en_US.UTF-8 \
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# Disable history files
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HISTFILE=/dev/null \
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# Prevent writing .erlang.cookie file
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HOME=/dev/null \
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# Add security headers
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SECURITY_HEADERS="true" \
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# Disable debug info in production
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ERL_AFLAGS="+S 1:1 +A 1 +K true -kernel shell_history enabled -kernel shell_history_file_bytes 0" \
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PHX_SERVER=true
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# Only copy the final release from the build stage
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COPY --from=builder --chown=1000:1000 /app/_build/${MIX_ENV}/rel/aprs ./
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# Copy the debug startup script
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COPY --chown=1000:1000 start_server.sh ./
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USER 1000
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# Ensure the server binary and startup script are executable
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RUN chmod +x /app/bin/server && \
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chmod +x /app/start_server.sh
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# If using an environment that doesn't automatically reap zombie processes, it is
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# advised to add an init process such as tini via `apt-get install`
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# above and adding an entrypoint. See https://github.com/krallin/tini for details
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# ENTRYPOINT ["/tini", "--"]
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# Add specific capabilities needed by the app
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CMD ["/app/start_server.sh"]
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# Add security-related metadata
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LABEL org.opencontainers.image.vendor="APRS.me" \
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org.opencontainers.image.title="APRS.me Server" \
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org.opencontainers.image.description="APRS.me server with security hardening" \
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org.opencontainers.image.version="${MIX_ENV}" \
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org.opencontainers.image.created="$(date -u +'%Y-%m-%dT%H:%M:%SZ')" \
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security.root-user="false" \
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security.non-root-user="app" \
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security.privileged="false"
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# Container configuration is handled by Dokku
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# Port is set dynamically by Dokku via PORT environment variable
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EXPOSE 5000
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@ -1,42 +0,0 @@
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#!/bin/bash
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set -e
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echo "=== APRS Server Startup Debug Script ==="
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echo "Time: $(date)"
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echo "Working directory: $(pwd)"
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echo "User: $(whoami)"
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echo "UID: $(id -u)"
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echo ""
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echo "=== Environment Variables ==="
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echo "PORT: ${PORT:-'not set'}"
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echo "PHX_SERVER: ${PHX_SERVER:-'not set'}"
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echo "PHX_HOST: ${PHX_HOST:-'not set'}"
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echo "MIX_ENV: ${MIX_ENV:-'not set'}"
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echo "DATABASE_URL: ${DATABASE_URL:+***set***}"
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echo "SECRET_KEY_BASE: ${SECRET_KEY_BASE:+***set***}"
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echo ""
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echo "=== File System Check ==="
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echo "App directory contents:"
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ls -la /app/
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echo ""
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echo "Bin directory contents:"
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ls -la /app/bin/
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echo ""
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echo "Server script permissions:"
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ls -la /app/bin/server
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echo ""
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echo "=== Network Configuration ==="
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echo "Available network interfaces:"
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ip addr show 2>/dev/null || ifconfig 2>/dev/null || echo "Network tools not available"
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echo ""
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echo "=== Starting Phoenix Server ==="
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echo "Executing: /app/bin/server"
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echo "Expected to bind to port: ${PORT:-4000}"
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echo ""
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# Start the server
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exec /app/bin/server
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