let's try this again

backend/Dockerfile

@@ -0,0 +1,16 @@
+FROM fascinated/docker-images:nodejs_20_with_pnpm AS base
+
+# Install dependencies and build the app
+FROM base AS builder
+WORKDIR /app
+COPY package.json* pnpm-lock.yaml* ./
+RUN pnpm install --frozen-lockfile --quiet
+COPY . .
+RUN pnpm run build
+
+# Final stage to run the app
+FROM base AS runner
+WORKDIR /app
+COPY --from=builder /app/dist ./dist
+EXPOSE 3000
+CMD ["pnpm", "start"]

backend/package.json

@@ -0,0 +1,19 @@
+{
+  "name": "backend",
+  "version": "1.0.0",
+  "author": "fascinated7",
+  "license": "MIT",
+  "private": true,
+  "main": "src/index.ts",
+  "scripts": {
+    "dev": "concurrently -k \"tsup --watch\" \"nodemon dist/index.js\"",
+    "build": "tsup",
+    "start": "node dist/index.js"
+  },
+  "devDependencies": {
+    "concurrently": "^9.0.1",
+    "nodemon": "^2.0.20",
+    "tsup": "^8.3.0",
+    "typescript": "^5"
+  }
+}

backend/src/index.ts

@@ -0,0 +1 @@
+console.log("meow!!!");

backend/tsconfig.json

@@ -0,0 +1,12 @@
+{
+  "compilerOptions": {
+    "target": "ES2022",
+    "module": "commonjs",
+    "esModuleInterop": true,
+    "forceConsistentCasingInFileNames": true,
+    "strict": true,
+    "skipLibCheck": true
+  },
+  "include": ["src"],
+  "exclude": ["node_modules"]
+}

backend/tsup.config.ts

@@ -0,0 +1,10 @@
+import { defineConfig } from "tsup";
+
+export default defineConfig({
+  entry: ["src/index.ts"],
+  format: ["esm", "cjs"],
+  splitting: false,
+  dts: true,
+  clean: true,
+  outDir: "./dist",
+});