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Publish port on localhost of another container

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1

I have following docker-compose.yml (left out not essential parts):

zabbix-server:
 image: zabbix/zabbix-server-pgsql:alpine-4.0-latest
 ports:
 - "10051:10051"
 networks:
 zbx_net_backend:
 aliases:
 - zabbix-server
zabbix-agent:
 image: zabbix/zabbix-agent:alpine-4.0-latest
 ports:
 - "10050:10050"
 networks:
 zbx_net_backend:
 aliases:
 - zabbix-agent
networks:
 zbx_net_backend:
 driver: bridge
 internal: true
 ipam:
 driver: default
 config:
 - subnet: 172.16.239.0/24

The zabbix-server is looking out-of-the-box for the zabbix-agent on its localhost:10050. Is it possible to make the port 10050 of the zabbix-agent available on localhost:10050 of the zabbix-server?

I know that I can configure the zabbix-agent hostname in the zabbix-server via "Configuration" -> "Hosts" -> edit -> "DNS Name" but I want to avoid that if possible and achieve it via configuration of the docker-compose.yml.

docker docker-compose

share|improve this question

asked Mar 8 at 21:06

TeharezTeharez

216

• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  
  If this is a dev setup, best practice is to remove all of the network configuration, make the target address configurable via an env variable (e.g. AGENT_URL), and set AGENT_URL=zabbix-agent/. Services can target each other by using the service name as an URL
  
  – Boris van Katwijk
  Mar 8 at 21:12
  
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Take a look at stackoverflow.com/questions/39633057/…
  
  – Max♦
  Mar 8 at 21:14
  

  
  
  
  

add a comment | 

1

I have following docker-compose.yml (left out not essential parts):

zabbix-server:
 image: zabbix/zabbix-server-pgsql:alpine-4.0-latest
 ports:
 - "10051:10051"
 networks:
 zbx_net_backend:
 aliases:
 - zabbix-server
zabbix-agent:
 image: zabbix/zabbix-agent:alpine-4.0-latest
 ports:
 - "10050:10050"
 networks:
 zbx_net_backend:
 aliases:
 - zabbix-agent
networks:
 zbx_net_backend:
 driver: bridge
 internal: true
 ipam:
 driver: default
 config:
 - subnet: 172.16.239.0/24

The zabbix-server is looking out-of-the-box for the zabbix-agent on its localhost:10050. Is it possible to make the port 10050 of the zabbix-agent available on localhost:10050 of the zabbix-server?

I know that I can configure the zabbix-agent hostname in the zabbix-server via "Configuration" -> "Hosts" -> edit -> "DNS Name" but I want to avoid that if possible and achieve it via configuration of the docker-compose.yml.

docker docker-compose

share|improve this question

asked Mar 8 at 21:06

TeharezTeharez

216

• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  
  If this is a dev setup, best practice is to remove all of the network configuration, make the target address configurable via an env variable (e.g. AGENT_URL), and set AGENT_URL=zabbix-agent/. Services can target each other by using the service name as an URL
  
  – Boris van Katwijk
  Mar 8 at 21:12
  
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Take a look at stackoverflow.com/questions/39633057/…
  
  – Max♦
  Mar 8 at 21:14
  

  
  
  
  

add a comment | 

I have following docker-compose.yml (left out not essential parts):

zabbix-server:
 image: zabbix/zabbix-server-pgsql:alpine-4.0-latest
 ports:
 - "10051:10051"
 networks:
 zbx_net_backend:
 aliases:
 - zabbix-server
zabbix-agent:
 image: zabbix/zabbix-agent:alpine-4.0-latest
 ports:
 - "10050:10050"
 networks:
 zbx_net_backend:
 aliases:
 - zabbix-agent
networks:
 zbx_net_backend:
 driver: bridge
 internal: true
 ipam:
 driver: default
 config:
 - subnet: 172.16.239.0/24

The zabbix-server is looking out-of-the-box for the zabbix-agent on its localhost:10050. Is it possible to make the port 10050 of the zabbix-agent available on localhost:10050 of the zabbix-server?

I know that I can configure the zabbix-agent hostname in the zabbix-server via "Configuration" -> "Hosts" -> edit -> "DNS Name" but I want to avoid that if possible and achieve it via configuration of the docker-compose.yml.

docker docker-compose

share|improve this question

asked Mar 8 at 21:06

TeharezTeharez

216

zabbix-server:
 image: zabbix/zabbix-server-pgsql:alpine-4.0-latest
 ports:
 - "10051:10051"
 networks:
 zbx_net_backend:
 aliases:
 - zabbix-server
zabbix-agent:
 image: zabbix/zabbix-agent:alpine-4.0-latest
 ports:
 - "10050:10050"
 networks:
 zbx_net_backend:
 aliases:
 - zabbix-agent
networks:
 zbx_net_backend:
 driver: bridge
 internal: true
 ipam:
 driver: default
 config:
 - subnet: 172.16.239.0/24

share|improve this question

asked Mar 8 at 21:06

TeharezTeharez

216

share|improve this question

asked Mar 8 at 21:06

TeharezTeharez

216

asked Mar 8 at 21:06

TeharezTeharez

216

asked Mar 8 at 21:06

TeharezTeharez

216

2 Answers
2

active

oldest

votes

0

One option is to make the target address configurable where it is used (maybe it already is?) and set the target to be the relevant docker compose service:

zabbix-server:
 image: zabbix/zabbix-server-pgsql:alpine-4.0-latest
 environment:
 AGENT_URL: zabbix-agent
 ports:
 - "10051:10051"

zabbix-agent:
 image: zabbix/zabbix-agent:alpine-4.0-latest

share|improve this answer

answered Mar 8 at 21:15

Boris van KatwijkBoris van Katwijk

1,05211022

add a comment | 

0

It is not possible to redirect the localhost loopback device point to another container. But, if you really want this, then you can connect them both to the host network.

Like this:

zabbix-server:
 image: zabbix/zabbix-server-pgsql:alpine-4.0-latest
 ports:
 - "10051:10051"
 network_mode: "host"
zabbix-agent:
 image: zabbix/zabbix-agent:alpine-4.0-latest
 ports:
 - "10050:10050"
 network_mode: "host"

Doing this, will allow you to address the zabbix-agent with localhost:10050 from the zabbix-server container.

share|improve this answer

edited Mar 8 at 21:38

answered Mar 8 at 21:23

Andreas LorenzenAndreas Lorenzen

1,058412

add a comment | 

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0

One option is to make the target address configurable where it is used (maybe it already is?) and set the target to be the relevant docker compose service:

zabbix-server:
 image: zabbix/zabbix-server-pgsql:alpine-4.0-latest
 environment:
 AGENT_URL: zabbix-agent
 ports:
 - "10051:10051"

zabbix-agent:
 image: zabbix/zabbix-agent:alpine-4.0-latest

share|improve this answer

answered Mar 8 at 21:15

Boris van KatwijkBoris van Katwijk

1,05211022

add a comment | 

0

One option is to make the target address configurable where it is used (maybe it already is?) and set the target to be the relevant docker compose service:

zabbix-server:
 image: zabbix/zabbix-server-pgsql:alpine-4.0-latest
 environment:
 AGENT_URL: zabbix-agent
 ports:
 - "10051:10051"

zabbix-agent:
 image: zabbix/zabbix-agent:alpine-4.0-latest

share|improve this answer

answered Mar 8 at 21:15

Boris van KatwijkBoris van Katwijk

1,05211022

add a comment | 

One option is to make the target address configurable where it is used (maybe it already is?) and set the target to be the relevant docker compose service:

zabbix-server:
 image: zabbix/zabbix-server-pgsql:alpine-4.0-latest
 environment:
 AGENT_URL: zabbix-agent
 ports:
 - "10051:10051"

zabbix-agent:
 image: zabbix/zabbix-agent:alpine-4.0-latest

share|improve this answer

answered Mar 8 at 21:15

Boris van KatwijkBoris van Katwijk

1,05211022

zabbix-server:
 image: zabbix/zabbix-server-pgsql:alpine-4.0-latest
 environment:
 AGENT_URL: zabbix-agent
 ports:
 - "10051:10051"

zabbix-agent:
 image: zabbix/zabbix-agent:alpine-4.0-latest

share|improve this answer

answered Mar 8 at 21:15

Boris van KatwijkBoris van Katwijk

1,05211022

answered Mar 8 at 21:15

Boris van KatwijkBoris van Katwijk

1,05211022

answered Mar 8 at 21:15

Boris van KatwijkBoris van Katwijk

1,05211022

0

It is not possible to redirect the localhost loopback device point to another container. But, if you really want this, then you can connect them both to the host network.

Like this:

zabbix-server:
 image: zabbix/zabbix-server-pgsql:alpine-4.0-latest
 ports:
 - "10051:10051"
 network_mode: "host"
zabbix-agent:
 image: zabbix/zabbix-agent:alpine-4.0-latest
 ports:
 - "10050:10050"
 network_mode: "host"

Doing this, will allow you to address the zabbix-agent with localhost:10050 from the zabbix-server container.

share|improve this answer

edited Mar 8 at 21:38

answered Mar 8 at 21:23

Andreas LorenzenAndreas Lorenzen

1,058412

add a comment | 

0

It is not possible to redirect the localhost loopback device point to another container. But, if you really want this, then you can connect them both to the host network.

Like this:

zabbix-server:
 image: zabbix/zabbix-server-pgsql:alpine-4.0-latest
 ports:
 - "10051:10051"
 network_mode: "host"
zabbix-agent:
 image: zabbix/zabbix-agent:alpine-4.0-latest
 ports:
 - "10050:10050"
 network_mode: "host"

Doing this, will allow you to address the zabbix-agent with localhost:10050 from the zabbix-server container.

share|improve this answer

edited Mar 8 at 21:38

answered Mar 8 at 21:23

Andreas LorenzenAndreas Lorenzen

1,058412

add a comment | 

It is not possible to redirect the localhost loopback device point to another container. But, if you really want this, then you can connect them both to the host network.

Like this:

zabbix-server:
 image: zabbix/zabbix-server-pgsql:alpine-4.0-latest
 ports:
 - "10051:10051"
 network_mode: "host"
zabbix-agent:
 image: zabbix/zabbix-agent:alpine-4.0-latest
 ports:
 - "10050:10050"
 network_mode: "host"

Doing this, will allow you to address the zabbix-agent with localhost:10050 from the zabbix-server container.

share|improve this answer

edited Mar 8 at 21:38

answered Mar 8 at 21:23

Andreas LorenzenAndreas Lorenzen

1,058412

zabbix-server:
 image: zabbix/zabbix-server-pgsql:alpine-4.0-latest
 ports:
 - "10051:10051"
 network_mode: "host"
zabbix-agent:
 image: zabbix/zabbix-agent:alpine-4.0-latest
 ports:
 - "10050:10050"
 network_mode: "host"

share|improve this answer

edited Mar 8 at 21:38

answered Mar 8 at 21:23

Andreas LorenzenAndreas Lorenzen

1,058412

answered Mar 8 at 21:23

Andreas LorenzenAndreas Lorenzen

1,058412

answered Mar 8 at 21:23

Andreas LorenzenAndreas Lorenzen

1,058412