Dockerfile.alpine

# ═══════════════════════════════════════════════════════════════════════════════
# ProxyCLI - Alpine-based Dockerfile (Smaller Image)
# ═══════════════════════════════════════════════════════════════════════════════
# This Dockerfile uses Alpine Linux for a smaller final image (~100MB vs ~200MB)
# Usage: docker build -f Dockerfile.alpine -t proxycli:alpine .
# ═══════════════════════════════════════════════════════════════════════════════

# ── Stage 1: Dependencies ─────────────────────────────────────────────────────
FROM node:22-alpine AS deps

WORKDIR /app

# Install dependencies
COPY package.json package-lock.json* ./
RUN npm ci --only=production

# ── Stage 2: Builder ──────────────────────────────────────────────────────────
FROM node:22-alpine AS builder

WORKDIR /app

# Install build tools
RUN apk add --no-cache python3 make g++

# Copy dependencies
COPY --from=deps /app/node_modules ./node_modules

# Copy source and build
COPY package.json tsconfig.json ./
COPY src/ ./src/
RUN npm run build

# ── Stage 3: Production ───────────────────────────────────────────────────────
FROM node:22-alpine AS production

LABEL org.opencontainers.image.title="ProxyCLI (Alpine)"
LABEL org.opencontainers.image.description="Lightweight multi-provider AI reverse proxy"
LABEL org.opencontainers.image.source="https://github.com/yourusername/proxycli"

WORKDIR /app

# Install gosu for user switching
RUN apk add --no-cache gosu

# Create non-root user
RUN addgroup -g 1001 -S nodejs && \
    adduser -S app -u 1001 -G nodejs

# Copy production files
COPY --from=deps /app/node_modules ./node_modules
COPY --from=builder /app/dist ./dist
COPY --chown=app:nodejs public/ ./public/
COPY package.json docker-entrypoint.sh ./
RUN chmod +x docker-entrypoint.sh

# Create data directory
RUN mkdir -p /app/data && chown -R app:nodejs /app/data

USER app

EXPOSE 8488

HEALTHCHECK --interval=30s --timeout=5s --start-period=10s --retries=3 \
    CMD node -e "fetch('http://localhost:8488/health').then(r=>r.ok?process.exit(0):process.exit(1)).catch(()=>process.exit(1))"

ENTRYPOINT ["./docker-entrypoint.sh"]
CMD ["node", "dist/index.js"]