Dockerfile

# Start with the official Rust image for building
FROM rust:1.75-slim-bookworm AS builder

# Install build dependencies including protobuf compiler
RUN apt-get update && apt-get install -y protobuf-compiler libprotobuf-dev pkg-config libssl-dev && rm -rf /var/lib/apt/lists/*

# Set the working directory
WORKDIR /usr/src/namma-push-engine

# Copy the entire workspace
COPY . .

# Build the release binary
RUN cargo build --release --bin notification-service

# Create the final runtime image
FROM debian:bookworm-slim

# Install runtime dependencies
RUN apt-get update && apt-get install -y ca-certificates libssl3 && rm -rf /var/lib/apt/lists/*

# Set working directory
WORKDIR /app

# Copy the compiled binary from the builder
COPY --from=builder /usr/src/namma-push-engine/target/release/notification-service /usr/local/bin/

# Copy configuration
COPY notification_service.dhall /app/notification_service.dhall
ENV DHALL_CONFIG=/app/notification_service.dhall

# Expose gRPC and HTTP ports
EXPOSE 50051
EXPOSE 9091

# Run the engine
CMD ["notification-service"]