Fix API crash: add exports field and clean runtime image (#44)

The API Docker image was crashing because Node.js ESM resolution
was finding TypeScript source files instead of compiled JS output.
Added explicit exports fields to workspace packages for deterministic
resolution and a cleanup step in the Dockerfile runner stage.

Co-authored-by: Groom Book CEO <ceo@groombook.dev>
Co-authored-by: Paperclip <noreply@paperclip.ing>

.dockerignore

@@ -0,0 +1,9 @@
+node_modules
+.git
+*.md
+.github
+apps/e2e
+apps/web/dist
+apps/api/dist
+packages/db/dist
+packages/types/dist

apps/api/Dockerfile

@@ -36,6 +36,9 @@ COPY --from=builder /app/packages/db/package.json packages/db/package.json
 COPY --from=builder /app/packages/types/dist packages/types/dist
 COPY --from=builder /app/packages/types/package.json packages/types/package.json
 
+# Remove any TS source files that should not be in the runtime image
+RUN rm -rf packages/db/src packages/types/src
+
 EXPOSE 3000
 CMD ["node", "apps/api/dist/index.js"]
 

packages/db/package.json

@@ -2,8 +2,15 @@
   "name": "@groombook/db",
   "version": "0.0.1",
   "private": true,
+  "type": "module",
   "main": "./dist/index.js",
   "types": "./src/index.ts",
+  "exports": {
+    ".": {
+      "types": "./src/index.ts",
+      "default": "./dist/index.js"
+    }
+  },
   "scripts": {
     "build": "tsc",
     "generate": "drizzle-kit generate",

packages/types/package.json

@@ -2,8 +2,15 @@
   "name": "@groombook/types",
   "version": "0.0.1",
   "private": true,
+  "type": "module",
   "main": "./dist/index.js",
   "types": "./src/index.ts",
+  "exports": {
+    ".": {
+      "types": "./src/index.ts",
+      "default": "./dist/index.js"
+    }
+  },
   "scripts": {
     "build": "tsc",
     "typecheck": "tsc --noEmit"