Dockerfile.dev

# Development Stage
FROM rust:latest

RUN apt-get update && apt-get install -y \
    librocksdb-dev \
    libclang-dev \
    clang \
    && rm -rf /var/lib/apt/lists/*

# Install cargo-watch for auto-reloading
RUN cargo install cargo-watch

WORKDIR /app

# Copy only the dependency files first to leverage Docker cache
COPY Cargo.toml Cargo.lock ./

# Create dummy src directory and file to build dependencies
RUN mkdir src && echo "fn main() {}" > src/main.rs

# Build dependencies
RUN cargo build

# Remove the dummy src directory and file
RUN rm -rf src

# Copy the rest of the source code
COPY src ./src
COPY historical_data ./historical_data
COPY config-prod.yml ./config-prod.yml
COPY config-dev.yml ./config-dev.yml

ENV RUSTFLAGS="-C target-cpu=native"
ENV RUST_ENV=dev

# Use cargo-watch to auto-reload on file changes
CMD ["cargo", "watch", "-x", "run"]