Dockerfile.webapp

# --- Builder Stage ---
FROM python:3.12-slim-bookworm AS builder

# Install uv
COPY --from=ghcr.io/astral-sh/uv:latest /uv /bin/uv

WORKDIR /app

# Configure uv to install to system location
ENV UV_PROJECT_ENVIRONMENT="/usr/local"
ENV UV_COMPILE_BYTECODE=1

# Step 1: Copy only dependency files (cached layer)
COPY pyproject.toml uv.lock ./
COPY bot/pyproject.toml ./bot/
COPY shared/pyproject.toml ./shared/
COPY webapp/pyproject.toml ./webapp/

# Create minimal package structure for uv workspace resolution
RUN mkdir -p bot/other shared/src/shared webapp && \
    touch bot/__init__.py bot/other/__init__.py && \
    touch shared/src/shared/__init__.py && \
    touch webapp/__init__.py

# Step 2: Install dependencies (cached unless pyproject.toml/uv.lock change)
RUN uv sync --frozen --no-dev --package mmwb-webapp

# Step 3: Copy actual source code (invalidates only on code changes)
COPY bot ./bot
COPY shared ./shared
COPY webapp ./webapp

# --- Final Stage ---
FROM python:3.12-slim-bookworm

ENV PYTHONUNBUFFERED=1

WORKDIR /app

# Copy installed python packages from builder
COPY --from=builder /usr/local/lib/python3.12/site-packages /usr/local/lib/python3.12/site-packages
COPY --from=builder /usr/local/bin /usr/local/bin

# Copy application code
COPY shared ./shared
COPY webapp ./webapp

# Expose port
EXPOSE 8000

# Git commit (at the end to not break cache)
ARG GIT_COMMIT=unknown
LABEL org.opencontainers.image.revision="${GIT_COMMIT}"
ENV GIT_COMMIT=${GIT_COMMIT}

# Run uvicorn
CMD ["uvicorn", "webapp.app:app", "--host", "0.0.0.0", "--port", "8000"]