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redis not connecting from docker

I have an app running in docker and also have redis as a service. Redis is building successfully and i can see the service running in same container but the app is unable to connect it.

Docker service running

docker ps
CONTAINER ID   IMAGE          COMMAND                  CREATED         STATUS                           PORTS                                       NAMES
48007b9bc91f   redis:latest   "docker-entrypoint.s…"   3 seconds ago   Up 1 second (health: starting)   0.0.0.0:6379->6379/tcp, :::6379->6379/tcp   symfony_redis

redis connection error from symfony application using snc-redis package

Connection refused [tcp://0.0.0.0:6379]

docker-compose.yaml

version: '3.7'
services:
  redis:
    build:
      context: .docker/redis
      dockerfile: Dockerfile
    image: redis:7.2.4
    container_name: symfony_redis
    ports:
      - "6379:6379"
    volumes:
      - redis-data:/data
    healthcheck:
      test: [ "CMD", "redis-cli", "ping" ]
      interval: 30s
      timeout: 10s
      retries: 5
    networks:
      - app-network

  api:
    build:
      context: ../../
      dockerfile: tazman-backend/symfony/.docker/api/Dockerfile
    container_name: symfony_api
    volumes:
      - ../../components:/var/www/html/components:rw,cached
      - ../:/var/www/html/backend:rw,cached
    ports:
      - "9000:9000"
    environment:
      APP_ENV: dev
    depends_on:
      - redis
Tags:

2

Answers


  1. 0

    In your code, make sure to use redis for the domain. For instance http://redis/.

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  2. 0

    redis and api containers should utilize the same network, you have specified custom network for redis (it would depend on your requirements/necessities, but in most common cases you can run without specifying any custom network, it would use your default network)

    networks:
  - app-network

    so you need either to remove custom network from your redis container, or add the same networks part to your api container’s description

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