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‎.env

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RABBITMQ_ENABLE_HANDLERS='true'

‎.eslintrc.js

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module.exports = {
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parser: '@typescript-eslint/parser',
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parserOptions: {
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project: 'tsconfig.json',
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tsconfigRootDir: __dirname,
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sourceType: 'module',
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},
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plugins: ['@typescript-eslint/eslint-plugin'],
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extends: [
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'plugin:@typescript-eslint/recommended',
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'plugin:prettier/recommended',
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],
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root: true,
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env: {
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node: true,
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jest: true,
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},
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ignorePatterns: ['.eslintrc.js'],
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rules: {
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'@typescript-eslint/interface-name-prefix': 'off',
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'@typescript-eslint/explicit-function-return-type': 'off',
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'@typescript-eslint/explicit-module-boundary-types': 'off',
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'@typescript-eslint/no-explicit-any': 'off',
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},
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};

‎.gitignore

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# compiled output
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/dist
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/node_modules
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# Logs
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logs
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*.log
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npm-debug.log*
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pnpm-debug.log*
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yarn-debug.log*
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yarn-error.log*
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lerna-debug.log*
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# OS
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.DS_Store
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# Tests
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/coverage
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/.nyc_output
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# IDEs and editors
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/.idea
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.project
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.classpath
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.c9/
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*.launch
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.settings/
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*.sublime-workspace
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# IDE - VSCode
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.vscode/*
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!.vscode/settings.json
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!.vscode/tasks.json
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!.vscode/launch.json
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!.vscode/extensions.json
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.history/

‎.prettierrc

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{
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"singleQuote": true,
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"trailingComma": "all"
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}

‎Dockerfile

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FROM node:20.5.1-slim
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RUN apt update -y && apt install procps -y
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RUN npm install -g @nestjs/[email protected]
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USER node
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WORKDIR /home/node/app
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CMD [ "tail", "-f", "/dev/null" ]

‎README.md

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# NestJS Standalone Services Example
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Este é um projeto NestJS que demonstra como criar serviços standalone para gRPC, Kafka, BullMQ (BullJs) e RabbitMQ. Cada serviço é executado de forma separada em uma pasta CMD com arquivos específicos para cada um dos serviços. O objetivo é permitir que você inicie e gerencie esses serviços individualmente. Você pode executar esses serviços em contêineres Docker independentes, orquestrados usando docker-compose.
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## Project Structure
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A estrutura do projeto é organizada da seguinte forma:
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```text
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nestjs-standalone-services/
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│
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├── src/
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│ ├── cmd/
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│ │ ├── grpc-server.ts
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│ │ ├── kafka-consumer.ts
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│ │ ├── rabbit-consumer.ts
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│ │ ├── queue-consumer.ts
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│ ├── main.ts (Serviço HTTP principal)
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│
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├── nest-cli.json
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├── package.json
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├── tsconfig.json
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├── README.md
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└── docker-compose.yaml
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```
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## Comandos
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Você pode usar os seguintes comandos para iniciar os serviços standalone individualmente:
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### Servir os serviços separadamente
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> Execução no ambiente de desenvolvimento:
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``` bash
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## grpc-server:dev
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npm run start:dev -- --entryFile cmd/grpc-server
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## grpc-server:prod
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npm run start:prod -- --entryFile cmd/grpc-server
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## kafka-server:dev
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npm run start:dev -- --entryFile cmd/kafka-consumer
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## kafka-server:prod
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npm run start:prod -- --entryFile cmd/kafka-consumer
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## rabbit-server:dev
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npm run start:dev -- --entryFile cmd/rabbit-consumer
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## rabbit-server:prod
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npm run start:prod -- --entryFile cmd/rabbit-consumer
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## queue-server:dev
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npm run start:dev -- --entryFile cmd/queue-consumer
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## queue-server:prod
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npm run start:prod -- --entryFile cmd/queue-consumer
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```
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Você pode personalizar os serviços que deseja executar e as configurações dos contêineres no arquivo docker-compose.yaml.

‎api.http

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GET http://localhost:3000/products
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###
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POST http://localhost:3000/products/create-job
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Content-Type: application/json
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{
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"name": "live de nest"
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}
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‎docker-compose.yaml

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version: '3'
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services:
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app:
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build: .
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# exemplo
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# 1. npm run start
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# 2. npm run kafka-server:dev
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# 3. npm run grpc-server:dev
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# 3. npm run rabbit-server:dev
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command: npm run rabbit-server:dev
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volumes:
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- .:/home/node/app
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ports:
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- 3000:3000
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- 50051:50051
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redis:
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image: redis:7.0.8-alpine
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rabbitmq:
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image: rabbitmq:3.8-management-alpine
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hostname: rabbitmq
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ports:
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- 15672:15672
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environment:
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- RABBITMQ_DEFAULT_USER=admin
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- RABBITMQ_DEFAULT_PASS=admin
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zookeeper:
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image: confluentinc/cp-zookeeper:7.3.0
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hostname: zookeeper
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container_name: zookeeper
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ports:
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- "2181:2181"
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environment:
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ZOOKEEPER_CLIENT_PORT: 2181
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ZOOKEEPER_TICK_TIME: 2000
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kafka:
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image: confluentinc/cp-server:7.3.0
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hostname: kafka
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container_name: kafka
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depends_on:
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- zookeeper
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ports:
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- "9092:9092"
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- "9094:9094"
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environment:
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KAFKA_BROKER_ID: 1
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KAFKA_ZOOKEEPER_CONNECT: 'zookeeper:2181'
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KAFKA_LISTENER_SECURITY_PROTOCOL_MAP: PLAINTEXT:PLAINTEXT,PLAINTEXT_HOST:PLAINTEXT,OUTSIDE:PLAINTEXT
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KAFKA_ADVERTISED_LISTENERS: PLAINTEXT://kafka:29092,PLAINTEXT_HOST://localhost:9092,OUTSIDE://host.docker.internal:9094
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KAFKA_OFFSETS_TOPIC_REPLICATION_FACTOR: 1
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KAFKA_GROUP_INITIAL_REBALANCE_DELAY_MS: 0
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KAFKA_CONFLUENT_LICENSE_TOPIC_REPLICATION_FACTOR: 1
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KAFKA_CONFLUENT_BALANCER_TOPIC_REPLICATION_FACTOR: 1
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KAFKA_TRANSACTION_STATE_LOG_MIN_ISR: 1
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KAFKA_TRANSACTION_STATE_LOG_REPLICATION_FACTOR: 1
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CONFLUENT_METRICS_ENABLE: 'false'
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CONFLUENT_SUPPORT_CUSTOMER_ID: 'anonymous'
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control-center:
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image: confluentinc/cp-enterprise-control-center:7.3.0
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hostname: control-center
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container_name: control-center
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depends_on:
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- kafka
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ports:
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- "9021:9021"
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environment:
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CONTROL_CENTER_BOOTSTRAP_SERVERS: 'kafka:29092'
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CONTROL_CENTER_REPLICATION_FACTOR: 1
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CONTROL_CENTER_INTERNAL_TOPICS_PARTITIONS: 1
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CONTROL_CENTER_MONITORING_INTERCEPTOR_TOPIC_PARTITIONS: 1
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CONFLUENT_METRICS_TOPIC_REPLICATION: 1
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PORT: 9021

‎nest-cli.json

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{
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"$schema": "https://json.schemastore.org/nest-cli",
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"collection": "@nestjs/schematics",
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"sourceRoot": "src",
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"compilerOptions": {
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"deleteOutDir": true,
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"assets": [
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"**/*.proto"
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],
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"watchAssets": true
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}
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}

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