fix: add prisma generate

backend/Dockerfile

@@ -8,6 +8,9 @@ ENV PATH=/usr/src/node_modules/.bin:$PATH
 
 WORKDIR /usr/src/app
 
+COPY prisma/schema.prisma ./prisma/
+RUN npx prisma generate
+
 COPY . .
 
 CMD ["npm", "run", "build"]