distroless
This commit is contained in:
parent
74fe164c5b
commit
1a456849a4
2 changed files with 224 additions and 23 deletions
105
Dockerfile
105
Dockerfile
|
|
@ -2,9 +2,12 @@ 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-${DEBIAN_VERSION}"
|
||||
# Use distroless base image - this includes glibc and essential libraries
|
||||
ARG RUNNER_IMAGE="gcr.io/distroless/cc-debian11:nonroot"
|
||||
ARG RUNNER_IMAGE="debian:${DEBIAN_VERSION}"
|
||||
|
||||
FROM ${BUILDER_IMAGE} AS builder
|
||||
|
||||
|
|
@ -31,11 +34,15 @@ 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
|
||||
|
|
@ -48,36 +55,88 @@ RUN mix compile
|
|||
COPY config/runtime.exs config/
|
||||
|
||||
COPY rel rel
|
||||
RUN mix release && \
|
||||
chmod +x /app/_build/prod/rel/aprs/bin/server /app/_build/prod/rel/aprs/bin/aprs
|
||||
RUN mix release
|
||||
|
||||
# Final distroless stage
|
||||
# start a new build stage so that the final image will only contain
|
||||
# the compiled release and other runtime necessities
|
||||
FROM ${RUNNER_IMAGE}
|
||||
|
||||
# Set environment variables for production
|
||||
# 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=C.UTF-8 \
|
||||
# Disable history files for security
|
||||
LANG=en_US.UTF-8 \
|
||||
LANGUAGE=en_US:en \
|
||||
LC_ALL=en_US.UTF-8 \
|
||||
# Disable history files
|
||||
HISTFILE=/dev/null \
|
||||
# Set HOME to /tmp (writable in distroless)
|
||||
HOME=/tmp \
|
||||
# Configure Erlang VM
|
||||
ERL_AFLAGS="+S 1:1 +A 1 +K true" \
|
||||
# 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
|
||||
|
||||
WORKDIR /app
|
||||
# Only copy the final release from the build stage
|
||||
COPY --from=builder --chown=1000:1000 /app/_build/${MIX_ENV}/rel/aprs ./
|
||||
|
||||
# Copy the Elixir release from builder stage
|
||||
# nonroot user in distroless has UID 65532
|
||||
COPY --from=builder --chown=65532:65532 /app/_build/prod/rel/aprs ./
|
||||
USER 1000
|
||||
|
||||
# Add security metadata
|
||||
# Ensure the server binary is executable
|
||||
RUN chmod +x /app/bin/server
|
||||
|
||||
# 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/bin/server
|
||||
|
||||
# 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" \
|
||||
security.distroless="true" \
|
||||
security.nonroot="true"
|
||||
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"
|
||||
|
||||
# Run the server
|
||||
ENTRYPOINT ["/app/bin/server"]
|
||||
# Container configuration is handled by Dokku
|
||||
EXPOSE $PORT
|
||||
|
|
|
|||
142
Dockerfile.working
Normal file
142
Dockerfile.working
Normal file
|
|
@ -0,0 +1,142 @@
|
|||
ARG ELIXIR_VERSION=1.18.4
|
||||
ARG OTP_VERSION=27.2.4
|
||||
ARG DEBIAN_VERSION=bullseye-20250520-slim
|
||||
|
||||
# Set default non-root user and group IDs
|
||||
ARG USER_ID=1000
|
||||
ARG GROUP_ID=1000
|
||||
|
||||
ARG BUILDER_IMAGE="hexpm/elixir:${ELIXIR_VERSION}-erlang-${OTP_VERSION}-debian-${DEBIAN_VERSION}"
|
||||
ARG RUNNER_IMAGE="debian:${DEBIAN_VERSION}"
|
||||
|
||||
FROM ${BUILDER_IMAGE} AS builder
|
||||
|
||||
# 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
|
||||
|
||||
# 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 ./
|
||||
|
||||
USER 1000
|
||||
|
||||
# Ensure the server binary is executable
|
||||
RUN chmod +x /app/bin/server
|
||||
|
||||
# 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/bin/server
|
||||
|
||||
# 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
|
||||
EXPOSE $PORT
|
||||
Loading…
Add table
Reference in a new issue