# syntax=docker/dockerfile:1

# =============================================================================
# Stage 1: Build Web UI
# =============================================================================
FROM node:20-alpine AS webui-builder

WORKDIR /app/webui

# Install pnpm
RUN corepack enable && corepack prepare pnpm@latest --activate

# Copy package files
COPY webui/package.json webui/pnpm-lock.yaml ./

# Install dependencies
RUN pnpm install --frozen-lockfile

# Copy source files
COPY webui/ ./

# Build production bundle
RUN pnpm build

# =============================================================================
# Stage 2: Build Rust Server
# =============================================================================
FROM rust:1.75-alpine AS server-builder

# Install build dependencies
RUN apk add --no-cache musl-dev openssl-dev openssl-libs-static pkgconf

WORKDIR /app

# Create a new empty shell project for caching dependencies
RUN cargo new --bin galvanize
WORKDIR /app/galvanize

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

# Build and cache dependencies
RUN cargo build --release && rm src/*.rs

# Copy source code
COPY src/ ./src/

# Copy Web UI build artifacts
COPY --from=webui-builder /app/webui/dist ./webui/dist

# Build the actual binary
RUN touch src/main.rs && cargo build --release --features webui

# =============================================================================
# Stage 3: Runtime Image
# =============================================================================
FROM alpine:3.20 AS runtime

# Install runtime dependencies
RUN apk add --no-cache ca-certificates tzdata

# Create non-root user
RUN addgroup -g 1000 galvanize && \
    adduser -u 1000 -G galvanize -s /bin/sh -D galvanize

WORKDIR /app

# Copy binary from builder
COPY --from=server-builder /app/galvanize/target/release/galvanize /usr/local/bin/galvanize

# Create config directory
RUN mkdir -p /app/config/devices && \
    chown -R galvanize:galvanize /app

# Copy example config
COPY config/galvanize.example.toml /app/config/galvanize.toml

# Switch to non-root user
USER galvanize

# Expose port
EXPOSE 8080

# Health check
HEALTHCHECK --interval=30s --timeout=10s --start-period=5s --retries=3 \
    CMD wget --no-verbose --tries=1 --spider http://localhost:8080/api/v1/health || exit 1

# Set environment variables
ENV GALVANIZE_HOST=0.0.0.0
ENV GALVANIZE_PORT=8080
ENV GALVANIZE_CONFIG_PATH=/app/config

# Run the binary
ENTRYPOINT ["galvanize"]
CMD ["serve", "--config", "/app/config"]