openenv/chat_env

1# Copyright (c) Meta Platforms, Inc. and affiliates.2# All rights reserved.3#4# This source code is licensed under the BSD-style license found in the5# LICENSE file in the root directory of this source tree.6 7ARG BASE_IMAGE=ghcr.io/meta-pytorch/openenv-base:latest8FROM ${BASE_IMAGE} AS builder9 10WORKDIR /app11 12 13COPY . /app/env14 15WORKDIR /app/env16 17RUN if ! command -v uv >/dev/null 2>&1; then \18        curl -LsSf https://astral.sh/uv/install.sh | sh && \19        mv /root/.local/bin/uv /usr/local/bin/uv && \20        mv /root/.local/bin/uvx /usr/local/bin/uvx; \21    fi22 23RUN apt-get update && apt-get install -y --no-install-recommends \24    git \25    && rm -rf /var/lib/apt/lists/*26 27RUN --mount=type=cache,target=/root/.cache/uv \28    if [ -f uv.lock ]; then \29        uv sync --frozen --no-install-project --no-editable; \30    else \31        uv sync --no-install-project --no-editable; \32    fi33 34RUN --mount=type=cache,target=/root/.cache/uv \35    if [ -f uv.lock ]; then \36        uv sync --frozen --no-editable; \37    else \38        uv sync --no-editable; \39    fi40 41# Pre-download GPT-2 tokenizer to avoid permission issues at runtime.42# HF_HOME must match the runtime value so the cache is copied to the right place.43RUN HF_HOME=/.cache /app/env/.venv/bin/python -c "from transformers import GPT2Tokenizer; GPT2Tokenizer.from_pretrained('gpt2')"44 45# Final runtime stage46FROM ${BASE_IMAGE}47 48WORKDIR /app49 50COPY --from=builder /app/env/.venv /app/.venv51COPY --from=builder /app/env /app/env52COPY --from=builder /.cache /.cache53 54ENV PATH="/app/.venv/bin:$PATH"55ENV PYTHONPATH="/app/env:$PYTHONPATH"56ENV HF_HOME=/.cache57ENV TRANSFORMERS_CACHE=/.cache58ENV TOKENIZER_NAME=gpt259ENV SYSTEM_PROMPT="You are a helpful AI assistant."60ENV ENABLE_WEB_INTERFACE=true61 62HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \63    CMD python -c "import urllib.request; urllib.request.urlopen('http://localhost:8000/health')" || exit 164 65CMD ["sh", "-c", "cd /app/env && uvicorn server.app:app --host 0.0.0.0 --port 8000"]66