Docker image

Added Docker file and docker compose file
Modification to build and run as docker container.

Author: jasny

.Dockerignore

@@ -0,0 +1,9 @@
+.git/
+.github/
+.idea/
+.yarn/
+coverage/
+dist/
+node_modules/
+test/
+

Dockerfile

@@ -0,0 +1,22 @@
+FROM node:20 AS build
+
+WORKDIR /usr/src
+
+COPY package.json yarn.lock ./
+RUN yarn
+
+COPY . .
+RUN yarn build
+
+FROM node:20-alpine
+WORKDIR /app
+
+RUN npm install -g pm2
+
+COPY package.json yarn.lock ./
+RUN yarn --production
+
+COPY --from=build /usr/src/dist ./
+
+EXPOSE 3000
+CMD ["pm2-runtime", "main.js"]

docker-compose.yaml

@@ -0,0 +1,25 @@
+version: '3.8'
+
+services:
+  mongo:
+    image: mongo:8
+    ports:
+      - "27017:27017"
+    volumes:
+      - mongo-data:/data/db
+
+  engine:
+    build: .
+    ports:
+      - "3000:3000"
+    depends_on:
+      - mongo
+    environment:
+      - DB=mongodb://mongo:27017/letsflow
+    volumes:
+      - ./scenarios:/app/scenarios:ro
+      - ./schemas:/app/schemas:ro
+
+volumes:
+  mongo-data:
+

package.json

@@ -87,6 +87,5 @@
     },
     "coverageDirectory": "../coverage",
     "testEnvironment": "node"
-  },
-  "packageManager": "yarn@1.22.22+sha1.ac34549e6aa8e7ead463a7407e1c7390f61a6610"
+  }
 }

src/app.service.ts

@@ -1,6 +1,8 @@
 import { Injectable, OnModuleInit } from '@nestjs/common';
 import { ConfigService } from './common/config/config.service';
 import Ajv from 'ajv';
+import * as path from 'path';
+import * as fs from 'fs';
 
 @Injectable()
 export class AppService implements OnModuleInit {
@@ -22,8 +24,8 @@ export class AppService implements OnModuleInit {
   }
 
   private initInfo() {
-    // eslint-disable-next-line @typescript-eslint/no-var-requires
-    const packageInfo = require('../package.json');
+    const packagePath = path.join(process.cwd(), 'package.json');
+    const packageInfo = JSON.parse(fs.readFileSync(packagePath, 'utf-8'));
 
     this.info = {
       name: packageInfo.name,

src/main.ts

@@ -4,10 +4,12 @@ import { INestApplication } from '@nestjs/common';
 import { DocumentBuilder, SwaggerModule } from '@nestjs/swagger';
 import { ConfigService } from './common/config/config.service';
 import { NestExpressApplication } from '@nestjs/platform-express';
+import * as path from 'path';
+import * as fs from 'fs';
 
 async function swagger(app: INestApplication, config: ConfigService) {
-  // eslint-disable-next-line @typescript-eslint/no-var-requires
-  const { description, version } = require('../package.json');
+  const packagePath = path.join(process.cwd(), 'package.json');
+  const { description, version } = JSON.parse(fs.readFileSync(packagePath, 'utf-8'));
 
   const options = new DocumentBuilder()
     .setTitle('LetsFlow')