fix: build shared package in Docker, add .js extensions

Author: ShantKhatri

docker/backend.Dockerfile

@@ -0,0 +1,52 @@
+# syntax=docker/dockerfile:1
+
+FROM node:20-alpine AS builder
+
+WORKDIR /app
+
+COPY packages/shared/package*.json ./packages/shared/
+COPY apps/backend/package*.json ./apps/backend/
+COPY apps/backend/prisma ./apps/backend/prisma
+COPY packages/shared ./packages/shared
+
+# Build shared package first
+WORKDIR /app/packages/shared
+RUN --mount=type=cache,target=/root/.npm \
+    npm ci --cache /root/.npm
+RUN npm run build
+
+# Install and build backend
+WORKDIR /app/apps/backend
+RUN --mount=type=cache,target=/root/.npm \
+    npm ci --cache /root/.npm
+
+COPY apps/backend ./
+
+RUN npm run build
+
+FROM node:20-alpine AS runner
+
+WORKDIR /app
+
+ENV NODE_ENV=production
+
+RUN addgroup -S appgroup && adduser -S appuser -G appgroup
+
+# Copy shared package (compiled dist + package.json only)
+COPY --from=builder /app/packages/shared/package.json ./packages/shared/
+COPY --from=builder /app/packages/shared/dist ./packages/shared/dist
+
+COPY --from=builder /app/apps/backend/package*.json ./apps/backend/
+COPY --from=builder /app/apps/backend/node_modules ./apps/backend/node_modules
+COPY --from=builder /app/apps/backend/dist ./apps/backend/dist
+COPY --from=builder /app/apps/backend/prisma ./apps/backend/prisma
+
+RUN chown -R appuser:appgroup /app
+
+USER appuser
+
+EXPOSE 3000
+
+WORKDIR /app/apps/backend
+
+CMD ["node", "dist/server.js"]

packages/shared/package.json

@@ -3,9 +3,10 @@
   "version": "1.0.0",
   "private": true,
   "type": "module",
-  "main": "./src/index.ts",
-  "types": "./src/index.ts",
+  "main": "./dist/index.js",
+  "types": "./dist/index.d.ts",
   "scripts": {
+    "build": "tsc",
     "lint": "eslint src/",
     "typecheck": "tsc --noEmit",
     "test": "vitest run"

packages/shared/src/index.ts

@@ -1,3 +1,3 @@
-export * from './platforms';
-export * from './types';
-export * from './cards';
+export * from './platforms.js';
+export * from './types.js';
+export * from './cards.js';