Dockerfile.test

# Dockerfile for running the test suite with Chromium for integration tests.
# Uses the same base image as the production Dockerfile.
#
# Usage:
#   docker compose -f docker-compose.test.yml run --rm test
#   docker compose -f docker-compose.test.yml run --rm test mix test test/tr_web/integration/

ARG ELIXIR_VERSION=1.19.5
ARG OTP_VERSION=28.3.2
ARG DEBIAN_VERSION=bookworm-20260202-slim

ARG BUILDER_IMAGE="hexpm/elixir:${ELIXIR_VERSION}-erlang-${OTP_VERSION}-debian-${DEBIAN_VERSION}"

FROM ${BUILDER_IMAGE}

# Install build dependencies, Chromium, chromedriver, and Xvfb
RUN apt-get update -y && \
    apt-get install -y \
      build-essential \
      git \
      chromium \
      chromium-driver \
      xvfb \
    && apt-get clean && rm -f /var/lib/apt/lists/*_*

WORKDIR /app

# Install hex and rebar
RUN mix local.hex --force && \
    mix local.rebar --force

ENV MIX_ENV=test

# Install dependencies first for better layer caching
COPY mix.exs mix.lock ./
RUN mix deps.get && mix deps.compile

# Copy the rest of the project
COPY config config
COPY lib lib
COPY priv priv
COPY test test
COPY assets assets

# Compile the project
RUN mix compile

# Entrypoint: start Xvfb and chromedriver, then run the given command
COPY <<'ENTRYPOINT_SCRIPT' /usr/local/bin/docker-entrypoint.sh
#!/bin/bash
set -e

# Start virtual framebuffer
Xvfb :99 -screen 0 1280x1024x24 &
export DISPLAY=:99

# Start chromedriver
chromedriver --port=9515 --whitelisted-ips="" &

# Wait briefly for services to be ready
sleep 1

exec "$@"
ENTRYPOINT_SCRIPT
RUN chmod +x /usr/local/bin/docker-entrypoint.sh

ENTRYPOINT ["/usr/local/bin/docker-entrypoint.sh"]
CMD ["mix", "test"]