Dockerfile.dev

# Development Dockerfile with cargo-watch for hot-reloading.
# Used by `make compose-dev` / docker-compose.dev.yml for local iteration.
# The dummy-compile step below pre-warms the dependency cache so subsequent
# `cargo watch` rebuilds only recompile changed application code.
FROM rust:1.95-bookworm

WORKDIR /app

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

# Install kubectl for K8s API interaction
RUN curl -LO "https://dl.k8s.io/release/$(curl -L -s https://dl.k8s.io/release/stable.txt)/bin/linux/amd64/kubectl" \
    && chmod +x kubectl \
    && mv kubectl /usr/local/bin/

# Copy dependency manifests for caching
COPY Cargo.toml Cargo.lock ./
COPY build.rs ./

# Create dummy source to cache dependencies
RUN mkdir -p src && \
    echo "fn main() {}" > src/main.rs && \
    cargo build && \
    rm -rf src

# Copy actual source code
COPY . .

# Expose ports
EXPOSE 8080 9090

CMD ["cargo", "watch", "-x", "run -- run --namespace stellar-system --dry-run"]