docker: add support for docker w/ bun

.dockerignore

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

Dockerfile

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+FROM oven/bun:1 AS base
+
+FROM base AS deps
+WORKDIR /app
+
+COPY package.json bun.lockb* ./
+RUN bun install
+
+# Rebuild the source code only when needed
+FROM base AS builder
+WORKDIR /app
+COPY --from=deps /app/node_modules ./node_modules
+COPY . .
+
+ENV NEXT_TELEMETRY_DISABLED=1
+
+# Build the application
+RUN bun run build
+
+# Production image, copy all the files and run next
+FROM base AS runner
+WORKDIR /app
+
+ENV NODE_ENV=production
+ENV NEXT_TELEMETRY_DISABLED=1
+
+RUN addgroup --system --gid 1001 nodejs
+RUN adduser --system --uid 1001 nextjs
+
+# Public folder not used at the moment
+# COPY --from=builder /app/public ./public
+
+# Automatically leverage output traces to reduce image size
+# https://nextjs.org/docs/advanced-features/output-file-tracing
+COPY --from=builder --chown=nextjs:nodejs /app/.next/static ./.next/static
+
+USER nextjs
+
+EXPOSE 3000
+
+ENV PORT=3000
+ENV HOSTNAME="0.0.0.0"
+
+CMD ["bun", "start"]

docker-compose.yml

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+services:
+  im-a-server:
+    build: .
+    ports:
+      - 3000:3000
+    volumes:
+      - .:/app