Dockerfile.lambda

FROM public.ecr.aws/lambda/python:3.12

ENV PYTHONUNBUFFERED=1

WORKDIR ${LAMBDA_TASK_ROOT}

# Install UV from docker image.
COPY --from=ghcr.io/astral-sh/uv:latest /uv /usr/local/bin/uv

COPY pyproject.toml uv.lock ./
RUN uv export --frozen --no-dev --no-emit-project --format requirements.txt --output-file requirements.txt \
    && pip install --no-cache-dir --requirement requirements.txt --target "${LAMBDA_TASK_ROOT}" \
    && rm requirements.txt

COPY . .

# ---------------------------------------------------------------------------
# Required environment variables – set these in the Lambda function config
# (AWS Console → Configuration → Environment variables, or via IaC/SAM/CDK).
#
#   AUTH_TOKEN              – X-API-KEY shared secret for request auth
#   POSTGRES_HOST           – RDS host
#   POSTGRES_PORT           – RDS port (default 5432)
#   POSTGRES_USER           – RDS username
#   POSTGRES_PASSWORD       – RDS password
#   POSTGRES_DB             – RDS database name
#   AWS_SQS_QUEUE_NAME      – SQS queue name (e.g. Coderunr_queue_1.fifo)
#   AWS_SQS_QUEUE_URL       – Full SQS queue URL
#   AWS_REGION              – AWS region (e.g. ap-south-1)
#
# AWS credentials (ACCESS_KEY_ID / SECRET_ACCESS_KEY) should NOT be set here;
# attach an IAM execution role to the Lambda function instead.
# ---------------------------------------------------------------------------

CMD ["lambda_handler.handler"]