Dockerfile

# Build stage
FROM rust:1.75-slim as builder

WORKDIR /app

# Install dependencies
RUN apt-get update && apt-get install -y \
    pkg-config \
    libssl-dev \
    && rm -rf /var/lib/apt/lists/*

# Copy manifests
COPY Cargo.toml Cargo.lock ./

# Cache dependencies
RUN mkdir src && \
    echo "fn main() {}" > src/main.rs && \
    cargo build --release && \
    rm -rf src

# Copy source code
COPY src ./src
COPY migrations ./migrations

# Build application
RUN touch src/main.rs && cargo build --release

# Runtime stage
FROM debian:bookworm-slim

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

# Copy binary from builder
COPY --from=builder /app/target/release/tempo-webhooks /usr/local/bin/tempo-webhooks

# Create non-root user
RUN useradd -m -u 1000 appuser
USER appuser

EXPOSE 8080

CMD ["tempo-webhooks"]