add minimal docker setup

.dockerignore

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+Dockerfile
+.dockerignore
+node_modules
+npm-debug.log
+README.md
+.next
+.git

Dockerfile

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+FROM node:16-bookworm AS base
+
+FROM base AS deps
+
+RUN apt-get update && apt-get install -y git && rm -rf /var/lib/apt/lists/*
+
+WORKDIR /app
+
+COPY package.json yarn.lock* ./
+RUN yarn --frozen-lockfile
+
+FROM base AS builder
+
+WORKDIR /app
+COPY --from=deps /app/node_modules ./node_modules
+COPY . .
+
+ENV NEXT_TELEMETRY_DISABLED 1
+RUN yarn run build
+
+FROM base AS runner
+
+WORKDIR /app
+
+RUN adduser --uid 1001 nextjs
+
+COPY --from=builder --chown=nextjs:node /app/ /app/
+
+ENV NEXT_TELEMETRY_DISABLED 1
+ENV NODE_ENV production
+
+USER nextjs
+
+EXPOSE 3000
+
+ENV PORT 3000
+
+CMD ["yarn", "run", "start"]