FROM python:3 WORKDIR /backend ENV POSTGRES_HOST=together-postgres ENV POSTGRES_USER=together ENV POSTGRES_PASSWORD=togetherno.1 COPY ./requirements.txt . RUN pip install --no-cache-dir --upgrade -r /backend/requirements.txt -i https://mirrors.aliyun.com/pypi/simple COPY . . EXPOSE 8000 CMD ["sh", "-c", "alembic upgrade head && uvicorn src.main:app --host 0.0.0.0 --port 8000 --env-file ./.dev.env"]