Hostname error for image

`SQLSTATE[08006] [7] could not translate host name "citus_master" to address: Name or service not known`

```
c8adcc9da16c citusdata/membership-manager:0.2.0 "python -u ./manager…" 23 minutes ago Up 7 minutes (healthy) citus_manager
b774fdb21b50 citusdata/citus:8.2.2 "docker-entrypoint.s…" 23 minutes ago Up 7 minutes (healthy) 0.0.0.0:5433->5432/tcp citus_master
```

```
version: '2.1'

services:
master:
container_name: "${COMPOSE_PROJECT_NAME:-citus}_master"
image: 'citusdata/citus:8.2.2'
ports: ["${MASTER_EXTERNAL_PORT:-5432}:5432"]
labels: ['com.citusdata.role=Master']
environment:
- POSTGRES_DB=default
- POSTGRES_USER=default
- POSTGRES_PASSWORD=secret
worker:
image: 'citusdata/citus:8.2.2'
labels: ['com.citusdata.role=Worker']
depends_on: { manager: { condition: service_healthy } }
environment:
- POSTGRES_DB=default
- POSTGRES_USER=default
- POSTGRES_PASSWORD=secret
manager:
container_name: "${COMPOSE_PROJECT_NAME:-citus}_manager"
image: 'citusdata/membership-manager:0.2.0'
volumes: ['/var/run/docker.sock:/var/run/docker.sock']
depends_on: { master: { condition: service_healthy } }
environment:
- POSTGRES_DB=default
- POSTGRES_USER=default
- POSTGRES_PASSWORD=secret

```

Seems to have some issue with image when trying to connect with image with any web application