Add standard bun Dockerfile

Author: aahnik

Dockerfile

@@ -1,66 +1,38 @@
-# syntax=docker.io/docker/dockerfile:1
-
-FROM node:18-alpine AS base
-
-# Install dependencies only when needed
-FROM base AS deps
-# Check https://github.com/nodejs/docker-node/tree/b4117f9333da4138b03a546ec926ef50a31506c3#nodealpine to understand why libc6-compat might be needed.
-RUN apk add --no-cache libc6-compat
-WORKDIR /app
-
-# Install dependencies based on the preferred package manager
-COPY package.json yarn.lock* package-lock.json* pnpm-lock.yaml* .npmrc* ./
-RUN \
-  if [ -f yarn.lock ]; then yarn --frozen-lockfile; \
-  elif [ -f package-lock.json ]; then npm ci; \
-  elif [ -f pnpm-lock.yaml ]; then corepack enable pnpm && pnpm i --frozen-lockfile; \
-  else echo "Lockfile not found." && exit 1; \
-  fi
-
-
-# Rebuild the source code only when needed
-FROM base AS builder
-WORKDIR /app
-COPY --from=deps /app/node_modules ./node_modules
+# use the official Bun image
+# see all versions at https://hub.docker.com/r/oven/bun/tags
+FROM oven/bun:1 AS base
+WORKDIR /usr/src/app
+
+# install dependencies into temp directory
+# this will cache them and speed up future builds
+FROM base AS install
+RUN mkdir -p /temp/dev
+COPY package.json bun.lock /temp/dev/
+RUN cd /temp/dev && bun install --frozen-lockfile
+
+# install with --production (exclude devDependencies)
+RUN mkdir -p /temp/prod
+COPY package.json bun.lock /temp/prod/
+RUN cd /temp/prod && bun install --frozen-lockfile --production
+
+# copy node_modules from temp directory
+# then copy all (non-ignored) project files into the image
+FROM base AS prerelease
+COPY --from=install /temp/dev/node_modules node_modules
 COPY . .
 
-# Next.js collects completely anonymous telemetry data about general usage.
-# Learn more here: https://nextjs.org/telemetry
-# Uncomment the following line in case you want to disable telemetry during the build.
-# ENV NEXT_TELEMETRY_DISABLED=1
-
-RUN \
-  if [ -f yarn.lock ]; then yarn run build; \
-  elif [ -f package-lock.json ]; then npm run build; \
-  elif [ -f pnpm-lock.yaml ]; then corepack enable pnpm && pnpm run build; \
-  else echo "Lockfile not found." && exit 1; \
-  fi
-
-# Production image, copy all the files and run next
-FROM base AS runner
-WORKDIR /app
-
+# [optional] tests & build
 ENV NODE_ENV=production
-# Uncomment the following line in case you want to disable telemetry during runtime.
-# ENV NEXT_TELEMETRY_DISABLED=1
-
-RUN addgroup --system --gid 1001 nodejs
-RUN adduser --system --uid 1001 nextjs
-
-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/standalone ./
-COPY --from=builder --chown=nextjs:nodejs /app/.next/static ./.next/static
-
-USER nextjs
-
-EXPOSE 3000
-
-ENV PORT=3000
-
-# server.js is created by next build from the standalone output
-# https://nextjs.org/docs/pages/api-reference/config/next-config-js/output
-ENV HOSTNAME="0.0.0.0"
-CMD ["node", "server.js"]
+RUN bun test
+RUN bun run build
+
+# copy production dependencies and source code into final image
+FROM base AS release
+COPY --from=install /temp/prod/node_modules node_modules
+COPY --from=prerelease /usr/src/app/index.ts .
+COPY --from=prerelease /usr/src/app/package.json .
+
+# run the app
+USER bun
+EXPOSE 3000/tcp
+ENTRYPOINT [ "bun", "run", "index.ts" ]