43 lines
1.3 KiB
Docker
43 lines
1.3 KiB
Docker
# ============================================================
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# Stage 1 — Build
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# Node 22 Alpine: smallest image with full npm support
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# ============================================================
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FROM node:22-alpine AS builder
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WORKDIR /app
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# Install dependencies first (layer cache — only re-runs if package.json changes)
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COPY package.json package-lock.json ./
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RUN npm ci
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# Copy source
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COPY . .
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# VITE_* vars are Supabase public keys — safe for browser, baked into bundle at build time.
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# Using ARG only (no ENV) so values don't persist as image-layer env vars.
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ARG VITE_SUPABASE_URL
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ARG VITE_SUPABASE_ANON_KEY
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ARG VITE_SUPABASE_PUBLISHABLE_KEY
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# Pass vars inline so they're scoped to this RUN layer only
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RUN VITE_SUPABASE_URL="$VITE_SUPABASE_URL" \
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VITE_SUPABASE_ANON_KEY="$VITE_SUPABASE_ANON_KEY" \
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VITE_SUPABASE_PUBLISHABLE_KEY="$VITE_SUPABASE_PUBLISHABLE_KEY" \
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npm run build
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# ============================================================
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# Stage 2 — Serve
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# Nginx Alpine: ~25MB final image
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# ============================================================
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FROM nginx:alpine AS runner
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# Replace default nginx config with SPA config
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COPY nginx.conf /etc/nginx/conf.d/default.conf
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# Copy built static files from builder
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COPY --from=builder /app/dist /usr/share/nginx/html
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EXPOSE 80
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CMD ["nginx", "-g", "daemon off;"]
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