150 lines
4.5 KiB
Text
150 lines
4.5 KiB
Text
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}"
|
|
# Use distroless base image with glibc for Erlang/Elixir
|
|
ARG RUNNER_IMAGE="gcr.io/distroless/base-debian11:nonroot"
|
|
|
|
FROM ${BUILDER_IMAGE} AS builder
|
|
|
|
# install build dependencies
|
|
RUN apt-get update -y && \
|
|
apt-get upgrade -y && \
|
|
apt-get install -y build-essential git && \
|
|
apt-get clean && \
|
|
rm -rf /var/lib/apt/lists/*
|
|
|
|
# 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
|
|
|
|
# Create a temporary stage to prepare required libraries
|
|
FROM debian:bullseye-slim AS lib-extractor
|
|
|
|
# Install packages needed to extract libraries
|
|
RUN apt-get update -y && \
|
|
apt-get install -y --no-install-recommends \
|
|
libstdc++6 \
|
|
openssl \
|
|
libncurses5 \
|
|
libssl1.1 \
|
|
libtinfo5 \
|
|
libcrypto++6 \
|
|
ca-certificates \
|
|
&& apt-get clean && \
|
|
rm -rf /var/lib/apt/lists/*
|
|
|
|
# Create directories for extracted libraries
|
|
RUN mkdir -p /tmp/distroless/lib /tmp/distroless/usr/lib /tmp/distroless/etc/ssl /tmp/distroless/usr/share
|
|
|
|
# Copy required shared libraries
|
|
RUN cp -a /lib/x86_64-linux-gnu/libdl.so* /tmp/distroless/lib/ && \
|
|
cp -a /lib/x86_64-linux-gnu/librt.so* /tmp/distroless/lib/ && \
|
|
cp -a /lib/x86_64-linux-gnu/libpthread.so* /tmp/distroless/lib/ && \
|
|
cp -a /lib/x86_64-linux-gnu/libm.so* /tmp/distroless/lib/ && \
|
|
cp -a /lib/x86_64-linux-gnu/libc.so* /tmp/distroless/lib/ && \
|
|
cp -a /usr/lib/x86_64-linux-gnu/libstdc++.so* /tmp/distroless/usr/lib/ && \
|
|
cp -a /usr/lib/x86_64-linux-gnu/libssl.so* /tmp/distroless/usr/lib/ && \
|
|
cp -a /usr/lib/x86_64-linux-gnu/libcrypto.so* /tmp/distroless/usr/lib/ && \
|
|
cp -a /lib/x86_64-linux-gnu/libtinfo.so* /tmp/distroless/lib/ && \
|
|
cp -a /usr/lib/x86_64-linux-gnu/libncurses.so* /tmp/distroless/usr/lib/ && \
|
|
cp -a /lib/x86_64-linux-gnu/libz.so* /tmp/distroless/lib/
|
|
|
|
# Copy CA certificates
|
|
RUN cp -a /etc/ssl/certs /tmp/distroless/etc/ssl/
|
|
|
|
# Final distroless stage
|
|
FROM ${RUNNER_IMAGE}
|
|
|
|
# Set environment variables for production
|
|
ENV MIX_ENV="prod" \
|
|
LANG=C.UTF-8 \
|
|
LANGUAGE=C:en \
|
|
LC_ALL=C.UTF-8 \
|
|
# Disable history files
|
|
HISTFILE=/dev/null \
|
|
# Prevent writing .erlang.cookie file to writable location
|
|
HOME=/tmp \
|
|
# Add security headers
|
|
SECURITY_HEADERS="true" \
|
|
# Configure Erlang VM for production
|
|
ERL_AFLAGS="+S 1:1 +A 1 +K true -kernel shell_history enabled" \
|
|
PHX_SERVER=true
|
|
|
|
# Copy required shared libraries from lib-extractor stage
|
|
COPY --from=lib-extractor /tmp/distroless/lib/* /lib/x86_64-linux-gnu/
|
|
COPY --from=lib-extractor /tmp/distroless/usr/lib/* /usr/lib/x86_64-linux-gnu/
|
|
COPY --from=lib-extractor /tmp/distroless/etc/ssl /etc/ssl
|
|
|
|
# Set working directory
|
|
WORKDIR /app
|
|
|
|
# Copy the Elixir release from builder stage
|
|
# The distroless nonroot user has UID 65532, so we use that
|
|
COPY --from=builder --chown=65532:65532 /app/_build/prod/rel/aprsme ./
|
|
|
|
# Create required directories with proper permissions
|
|
USER 0
|
|
RUN mkdir -p /tmp && \
|
|
chmod 1777 /tmp && \
|
|
chmod +x /app/bin/server
|
|
USER 65532
|
|
|
|
# Add security-related metadata
|
|
LABEL org.opencontainers.image.vendor="APRS.me" \
|
|
org.opencontainers.image.title="APRS.me Server (Distroless)" \
|
|
org.opencontainers.image.description="APRS.me server with distroless base for maximum security" \
|
|
org.opencontainers.image.version="prod" \
|
|
security.root-user="false" \
|
|
security.distroless="true" \
|
|
security.privileged="false" \
|
|
security.base-image="gcr.io/distroless/base-debian11:nonroot"
|
|
|
|
# Distroless images use a different init system, no need for tini
|
|
# The application should handle graceful shutdowns internally
|
|
|
|
# Command to run the application
|
|
ENTRYPOINT ["/app/bin/server"]
|
|
|
|
# Container configuration is handled by Dokku
|
|
EXPOSE $PORT
|