FROM public.ecr.aws/lambda/python:3.10
# FROM python:3.11.10-bullseye


ARG DEV_DB_HOST
ARG DEV_DB_PORT
ARG DEV_DB_NAME
ARG EPC_AUTH_TOKEN

ENV DB_HOST=${DEV_DB_HOST}
ENV DB_PORT=${DEV_DB_PORT}
ENV DB_NAME=${DEV_DB_NAME}
ENV EPC_AUTH_TOKEN=${EPC_AUTH_TOKEN}


# Set working directory (Lambda task root)
WORKDIR /var/task

# -----------------------------
# Copy requirements FIRST (for Docker layer caching)
# -----------------------------
COPY backend/address2UPRN/handler/requirements.txt .


# Install dependencies into Lambda runtime
RUN pip install --no-cache-dir -r requirements.txt


# Copy necessary files for database and utility imports
COPY utils/ utils/
COPY backend/ backend/
COPY datatypes/ datatypes/

# Copy the handler
COPY backend/address2UPRN/main.py .

# -----------------------------
# Lambda handler
# -----------------------------
CMD ["main.handler"]