Merge pull request #4 from moevm/db-module

Add neo4j module

docker-compose.yaml

@@ -1,10 +1,10 @@
-version: "3.9"
-
 services:
   backend:
     image: nosql-spb-backend
     container_name: backend
-    build: .
+    build:
+      context: server
+      dockerfile: Dockerfile
     ports:
       - "127.0.0.1:8080:8080"
     environment:
@@ -28,6 +28,7 @@ services:
     container_name: db
     environment:
       NEO4J_AUTH: neo4j/password
+      NEO4J_PLUGINS: '["apoc"]'
     restart: always
     networks:
       - nosql-spb-net

server/.dockerignore

@@ -0,0 +1,4 @@
+node_modules/
+dist/
+Dockerfile
+.dockerignore

server/Dockerfile

@@ -1,4 +1,4 @@
-FROM node:20.15.1-alpine AS builder
+FROM node:22.10-alpine AS builder
 
 
 WORKDIR /app
@@ -8,7 +8,7 @@ RUN npm install
 COPY . .
 RUN npm run build
 
-FROM node:20.15.1-alpine
+FROM node:22.10-alpine
 
 WORKDIR /app
 COPY --from=builder --chown=node:node /app/package*.json ./

server/package.json

@@ -21,6 +21,7 @@
   },
   "dependencies": {
     "@nestjs/common": "^10.0.0",
+    "@nestjs/config": "^3.3.0",
     "@nestjs/core": "^10.0.0",
     "@nestjs/platform-express": "^10.0.0",
     "nest-neo4j": "^0.3.1",

server/src/app.controller.ts

@@ -1,12 +1,10 @@
-import { Controller, Get } from '@nestjs/common';
-import { AppService } from './app.service';
+import {Controller, Get} from '@nestjs/common';
 
 @Controller()
 export class AppController {
-  constructor(private readonly appService: AppService) {}
 
-  @Get()
-  getHello(): string {
-    return this.appService.getHello();
-  }
+    @Get("/hello")
+    getHello() {
+        return "Hello World!";
+    }
 }

server/src/app.module.ts

@@ -1,19 +1,26 @@
 import { Module } from '@nestjs/common';
+import { ConfigModule, ConfigService } from '@nestjs/config';
 import { AppController } from './app.controller';
-import { AppService } from './app.service';
-import { Neo4jModule } from 'nest-neo4j'
+import { Neo4jModule } from './modules/neo4j/neo4j.module';
+import { Neo4jConfig } from './modules/neo4j/neo4j-config.interface';
 
 @Module({
   imports: [
-    Neo4jModule.forRoot({
-      scheme: 'neo4j',
-      host: 'localhost',
-      port: 7687,
-      username: 'neo4j',
-      password: 'neo'
-    })
+    ConfigModule.forRoot({}),
+    Neo4jModule.forRootAsync({
+      imports: [ConfigModule],
+      inject: [ConfigService],
+      useFactory: (configService: ConfigService): Neo4jConfig => ({
+        scheme: configService.get('NEO4J_SCHEME'),
+        host: configService.get('NEO4J_HOST'),
+        port: configService.get('NEO4J_PORT'),
+        username: configService.get('NEO4J_USERNAME'),
+        password: configService.get('NEO4J_PASSWORD'),
+        database: configService.get('NEO4J_DB'),
+      }),
+    }),
   ],
   controllers: [AppController],
-  providers: [AppService],
+  providers: [],
 })
 export class AppModule {}

server/src/main.ts

@@ -3,6 +3,7 @@ import { AppModule } from './app.module';
 
 async function bootstrap() {
   const app = await NestFactory.create(AppModule);
-  await app.listen(process.env.PORT ?? 3000);
+  await app.listen(8080);
 }
+
 bootstrap();

server/src/modules/neo4j/neo4j-config.interface.ts

@@ -0,0 +1,8 @@
+export interface Neo4jConfig {
+  scheme: string;
+  host: string;
+  port: number | string;
+  username: string;
+  password: string;
+  database?: string;
+}

server/src/modules/neo4j/neo4j.constants.ts

@@ -0,0 +1,2 @@
+export const NEO4J_CONFIG = 'NEO4J_CONGIG';
+export const NEO4J_DRIVER = 'NEO4J_DRIVER';