Dockerfile

# ===============================
# --------  Build Stage  --------
FROM debian:bookworm-slim AS build

# Install any build dependencies
RUN apt-get update && apt-get install -y build-essential curl libcurl4-openssl-dev libssl-dev

# Build your Lambda function
COPY src .
RUN g++ -std=c++17 main.cpp -o bootstrap

# ===============================
# -------- Runtime Stage --------
FROM debian:bookworm-slim

# Install minimal runtime dependencies
RUN apt-get update && apt-get install -y libstdc++6 libcurl4 libssl3 && rm -rf /var/lib/apt/lists/*

# AWS expects an executable with path /var/runtime/bootstrap
COPY --from=build /bootstrap /var/runtime/bootstrap

# Ensure it is executable
RUN chmod +x /var/runtime/bootstrap

# Set the custom runtime entrypoint
ENTRYPOINT ["/var/runtime/bootstrap"]