initial commit

Dockerfile

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+# 1) Base
+FROM node:18-alpine AS base
+WORKDIR /app
+ENV NEXT_TELEMETRY_DISABLED=1
+
+# 2) Deps
+FROM base AS deps
+RUN apk add --no-cache libc6-compat
+COPY package.json package-lock.json ./
+RUN npm ci
+
+# 3) Builder
+FROM base AS builder
+COPY --from=deps /app/node_modules ./node_modules
+COPY . .
+ENV NODE_ENV=production
+
+# falls public nicht existiert -> anlegen, damit COPY später nicht crasht
+RUN mkdir -p public
+
+RUN npm run build
+RUN npm prune --omit=dev
+
+# 4) Runner
+FROM node:18-alpine AS runner
+WORKDIR /app
+ENV NODE_ENV=production \
+    NEXT_TELEMETRY_DISABLED=1 \
+    PORT=3000 \
+    HOSTNAME=0.0.0.0
+
+RUN addgroup -S nodejs && adduser -S nextjs -G nodejs
+
+# Assets & Build-Output kopieren
+COPY --from=builder /app/public ./public
+COPY --from=builder /app/.next ./.next
+COPY --from=builder /app/node_modules ./node_modules
+COPY --from=builder /app/package.json ./package.json
+
+USER nextjs
+EXPOSE 3000
+CMD ["node_modules/.bin/next", "start", "-p", "3000"]