refactor: use bun in Dockerfile and CI workflow

server/Dockerfile

@@ -1,27 +1,28 @@
-FROM node:20-alpine AS build
+FROM oven/bun:1.3.14-alpine AS prod
 
 WORKDIR /app
-COPY ./package.json yarn.lock ./
+COPY package.json bun.lock ./
+COPY app/package.json ./app/package.json
 COPY server/package.json ./server/package.json
-RUN yarn install
+COPY services/analytics/package.json ./services/analytics/package.json
+COPY tests/package.json ./tests/package.json
+COPY packages/constants/package.json ./packages/constants/package.json
+COPY packages/file-graph/package.json ./packages/file-graph/package.json
+COPY packages/game/package.json ./packages/game/package.json
+COPY packages/models/package.json ./packages/models/package.json
+COPY packages/utils/package.json ./packages/utils/package.json
+RUN bun install --frozen-lockfile --production --filter server
+
 # Install docker cli
-COPY server ./server
-COPY packages ./packages
-COPY tsconfig.json ./tsconfig.json
-RUN yarn workspace server build
-
-# Production
-FROM node:20-alpine AS prod
-
-WORKDIR /app
 COPY --from=docker:dind /usr/local/bin/docker /usr/local/bin/
-COPY --from=build /app/node_modules ./node_modules
-COPY --from=build /app/server ./server
+COPY tsconfig.json ./tsconfig.json
+COPY packages ./packages
+COPY server ./server
 COPY ./quests ./quests
 
 ENV NODE_ENV=production
 WORKDIR /app/server
-CMD [ "yarn", "start" ]
+CMD [ "bun", "src/index.ts" ]
 
 ENV HOST=0.0.0.0
 ENV PORT=3000

server/src/index.ts

@@ -24,7 +24,7 @@ import { createContext } from './trpc.js'
 async function main() {
   if (!config.secret) {
     logger.error(
-      'No SECRET_KEY found in .env! To set up a persistent key, please run `yarn setup`:'
+      'No SECRET_KEY found in .env! To set up a persistent key, please run `bun run setup`:'
     )
     process.exit(1)
   }