# Build stage - context: repo root (for veza-common path dep)
FROM rust:alpine AS builder

WORKDIR /build

# Copy veza-common (path dependency) and stream-server
COPY veza-common ./veza-common
COPY veza-stream-server/Cargo.toml veza-stream-server/Cargo.lock ./veza-stream-server/
COPY veza-stream-server/benches ./veza-stream-server/benches

# Install build dependencies
RUN apk add --no-cache musl-dev ca-certificates perl make pkgconfig openssl-dev protobuf-dev openssl-libs-static

WORKDIR /build/veza-stream-server

# Fetch dependencies (this layer will be cached if Cargo.toml/Cargo.lock don't change)
RUN cargo fetch --locked

# Copy source code
COPY veza-stream-server/src ./src
COPY veza-stream-server/migrations ./migrations
COPY veza-stream-server/proto ./proto
COPY veza-stream-server/build.rs ./

# Build the application (runtime queries only, no SQLX_OFFLINE needed)
RUN cargo build --release --locked --target x86_64-unknown-linux-musl

# Runtime stage
FROM alpine:3.21

# Install runtime dependencies
RUN apk --no-cache add ca-certificates tzdata && \
    # Add wget for health checks
    apk --no-cache add wget && \
    # Clean up apk cache
    rm -rf /var/cache/apk/*

# Create non-root user for security
RUN addgroup -g 1001 -S app && \
    adduser -S app -u 1001 -G app -h /app -s /bin/sh && \
    mkdir -p /var/log/veza && chown app:app /var/log/veza

# Set working directory
WORKDIR /app

# Copy binary from builder
COPY --from=builder --chown=app:app /build/veza-stream-server/target/x86_64-unknown-linux-musl/release/stream_server /app/stream_server

# Copy migrations if they exist (Removed as directory does not exist)
# COPY --from=builder --chown=app:app /app/migrations ./migrations

# Switch to app user
USER app

# Expose port (matches VITE_STREAM_PORT and docker-compose mapping)
EXPOSE 18082

# Health check
HEALTHCHECK --interval=30s --timeout=15s --start-period=60s --retries=5 \
    CMD wget --no-verbose --tries=1 --spider http://localhost:${PORT:-18082}/health || exit 1

# Run the application
CMD ["./stream_server"]