# Use the official Bun image
FROM oven/bun:1 AS base

# Set the working directory inside the container
WORKDIR /usr/src/app

# Create a non-root user for security
RUN addgroup --system --gid 1001 sveltekit
RUN adduser --system --uid 1001 sveltekit

# Copy package.json and bun.lockb (if available)
COPY package.json bun.lockb* ./

# Install dependencies (including dev dependencies for build)
RUN bun install --frozen-lockfile

# Copy the source code
COPY . .

# Prepare SvelteKit and build the application
RUN bun run prepare
RUN bun run build
RUN bun run db:migrate

# Production stage
FROM oven/bun:1-slim AS production

# Set working directory
WORKDIR /usr/src/app

# Create non-root user
RUN addgroup --system --gid 1001 sveltekit
RUN adduser --system --uid 1001 sveltekit

# Copy built application from base stage
COPY --from=base --chown=sveltekit:sveltekit /usr/src/app/build ./build
COPY --from=base --chown=sveltekit:sveltekit /usr/src/app/package.json ./package.json
COPY --from=base --chown=sveltekit:sveltekit /usr/src/app/node_modules ./node_modules

# Copy any additional files needed for runtime
COPY --from=base --chown=sveltekit:sveltekit /usr/src/app/static ./static

# Switch to non-root user
USER sveltekit

# Expose the port that the app runs on
EXPOSE 5173

# Set environment variables
ENV NODE_ENV=production
ENV PORT=5173

# Health check
HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \
  CMD bun --version || exit 1

# Start the application
CMD ["bun", "./build/index.js"]
