Dockerfile

FROM public.ecr.aws/lambda/python:latest-x86_64

# Set environment variables for Lambda
ENV PYTHONUNBUFFERED=1 \
    PYTHONDONTWRITEBYTECODE=1 \
    PATH="/var/task:${PATH}" \
    LAMBDA_TASK_ROOT=/var/task \
    LAMBDA_RUNTIME_DIR=/var/runtime

# Set working directory
WORKDIR ${LAMBDA_TASK_ROOT}

# Install Pandoc
RUN dnf update -y && \
    dnf install -y wget tar gzip && \
    wget https://github.com/jgm/pandoc/releases/download/3.6.4/pandoc-3.6.4-linux-amd64.tar.gz && \
    tar xvzf pandoc-3.6.4-linux-amd64.tar.gz --strip-components 1 -C /usr/local && \
    rm pandoc-3.6.4-linux-amd64.tar.gz && \
    dnf clean all && \
    rm -rf /var/cache/dnf

# Copy requirements and install dependencies
COPY requirements.txt ${LAMBDA_TASK_ROOT}
RUN pip install -r ${LAMBDA_TASK_ROOT}/requirements.txt

# Copy function code
COPY app.py ${LAMBDA_TASK_ROOT}

CMD [ "app.handler" ]