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# Copyright (c) Meta Platforms, Inc. and affiliates.
# All rights reserved.
#
# This source code is licensed under the BSD-style license found in the
# LICENSE file in the root directory of this source tree.
# Multi-stage build for Pokemon Red OpenEnv
# Builds a containerized PyBoy emulator environment for RL training
#
# Build: openenv build
# Run: docker run -p 8000:8000 pokemonred-env:latest
#
# Environment variables:
# POKEMON_HEADLESS: Run without display (default: true)
# POKEMON_ACTION_FREQ: Emulator ticks per action (default: 24)
# POKEMON_ROM_PATH: Path to ROM file (default: /app/env/server/PokemonRed.gb)
# POKEMON_INIT_STATE: Path to save state (default: /app/env/server/init.state)
ARG BASE_IMAGE=ghcr.io/meta-pytorch/openenv-base:latest
FROM ${BASE_IMAGE} AS builder
WORKDIR /app
# Install build dependencies for PyBoy and SDL2
RUN apt-get update && apt-get install -y --no-install-recommends \
git \
build-essential \
libsdl2-dev \
libsdl2-image-dev \
libsdl2-mixer-dev \
libsdl2-ttf-dev \
python3-dev \
&& rm -rf /var/lib/apt/lists/*
# Build arguments
ARG BUILD_MODE=in-repo
ARG ENV_NAME=pokemonred_env
# Copy environment code
COPY . /app/env
WORKDIR /app/env
# Ensure uv is available
RUN if ! command -v uv >/dev/null 2>&1; then \
curl -LsSf https://astral.sh/uv/install.sh | sh && \
mv /root/.local/bin/uv /usr/local/bin/uv && \
mv /root/.local/bin/uvx /usr/local/bin/uvx; \
fi
# Install dependencies using uv sync
RUN --mount=type=cache,target=/root/.cache/uv \
if [ -f uv.lock ]; then \
uv sync --frozen --no-install-project --no-editable; \
else \
uv sync --no-install-project --no-editable; \
fi
RUN --mount=type=cache,target=/root/.cache/uv \
if [ -f uv.lock ]; then \
uv sync --frozen --no-editable; \
else \
uv sync --no-editable; \
fi
# Final runtime stage
FROM ${BASE_IMAGE}
WORKDIR /app
# Install runtime dependencies for PyBoy headless operation
RUN apt-get update && apt-get install -y --no-install-recommends \
libsdl2-2.0-0 \
libsdl2-image-2.0-0 \
curl \
&& rm -rf /var/lib/apt/lists/*
# Copy the virtual environment from builder
COPY --from=builder /app/env/.venv /app/.venv
# Copy the environment code
COPY --from=builder /app/env /app/env
# Set PATH to use the virtual environment
ENV PATH="/app/.venv/bin:$PATH"
# Set PYTHONPATH for imports
ENV PYTHONPATH="/app/env:$PYTHONPATH"
# Configure SDL for headless operation (no display, no audio)
ENV SDL_VIDEODRIVER=dummy
ENV SDL_AUDIODRIVER=dummy
# Default environment configuration
ENV POKEMON_HEADLESS=true
ENV POKEMON_ACTION_FREQ=24
ENV POKEMON_ROM_PATH=/app/env/server/PokemonRed.gb
ENV POKEMON_INIT_STATE=/app/env/server/init.state
ENV POKEMON_MAX_STEPS=163840
ENV POKEMON_SESSION_PATH=/tmp/pokemon_sessions
# Create session directory
RUN mkdir -p /tmp/pokemon_sessions
# Health check
HEALTHCHECK --interval=30s --timeout=10s --start-period=30s --retries=3 \
CMD curl -f http://localhost:8000/health || exit 1
# Expose port
EXPOSE 8000
# Run the FastAPI server
ENV ENABLE_WEB_INTERFACE=true
CMD ["sh", "-c", "cd /app/env && uvicorn server.app:app --host 0.0.0.0 --port 8000"]
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