docker - how to run two microservices on same network? -


i facing issue here:

version: '2'  services:   ms1:     image: somedtr/someorg/somerepo:v0.1     mem_limit: 512m     environment:      spring_profiles_active: docker-development-cloud      java_opts: -xms256m -xmx512m     ports:     - "8900:8900"     restart:     networks:     - docker_dev_cloud  networks:   docker_dev_cloud:    driver: bridge ======================================= version: '2'  services:   ms2:     image: somedtr/someorg/somerepo:v0.1     mem_limit: 512m     environment:      spring_profiles_active: docker-development-cloud      java_opts: -xms256m -xmx512m     ports:     - "8900:8900"     restart:     networks:     - docker_dev_cloud  networks:   docker_dev_cloud:    driver: bridge

i trying run service on docker_dev_cloud not running on network

when docker network ls 

 ms1_docker_dev_cloud     ms2_docker_dev_cloud

any appreciated, in advance

edit:

the op used 2 different .yaml files , 2 different networks being created maybe because docker-compose uses project name (by default) name of directory docker-compose.yaml file. in comments proposed use:

docker-compose -p project_name

original answer:

i have changed yaml little bit in order make works , can demonstrated.

  1. i have used alpine image
  2. i have changed 1 of 2 8900 ports 8901 because can't bind twice (you can run many containers want making use of 8900 port host has 1 8900 port).
  3. i added entrypoint: ping msx in order show ping each other.

docker-compose.yaml (run docker-compose up):

version: '2'  services:   ms1:     image: alpine     mem_limit: 512m     environment:      spring_profiles_active: docker-development-cloud      java_opts: -xms256m -xmx512m     ports:     - "8900:8900"     restart:     networks:     - docker_dev_cloud     entrypoint: ping ms2    ms2:     image: alpine     mem_limit: 512m     environment:      spring_profiles_active: docker-development-cloud      java_opts: -xms256m -xmx512m     ports:     - "8901:8900"     restart:     networks:     - docker_dev_cloud     entrypoint: ping ms1  networks:   docker_dev_cloud:    driver: bridge

you can see works, because ms1 - ms2 ping each other.

ubuntu@ubuntu:~/docker_compose_tests/test$ docker-compose creating network "test_docker_dev_cloud" driver "bridge" creating test_ms1_1 creating test_ms2_1 attaching test_ms2_1, test_ms1_1 ms2_1  | ping ms1 (172.22.0.3): 56 data bytes ms2_1  | 64 bytes 172.22.0.3: seq=0 ttl=64 time=0.070 ms ms1_1  | ping ms2 (172.22.0.2): 56 data bytes ms1_1  | 64 bytes 172.22.0.2: seq=0 ttl=64 time=0.054 ms ms2_1  | 64 bytes 172.22.0.3: seq=1 ttl=64 time=0.286 ms ms1_1  | 64 bytes 172.22.0.2: seq=1 ttl=64 time=0.113 ms ms2_1  | 64 bytes 172.22.0.3: seq=2 ttl=64 time=0.129 ms ms1_1  | 64 bytes 172.22.0.2: seq=2 ttl=64 time=0.086 ms ms2_1  | 64 bytes 172.22.0.3: seq=3 ttl=64 time=0.137 ms ms1_1  | 64 bytes 172.22.0.2: seq=3 ttl=64 time=0.113 ms ms2_1  | 64 bytes 172.22.0.3: seq=4 ttl=64 time=0.246 ms ms1_1  | 64 bytes 172.22.0.2: seq=4 ttl=64 time=0.115 ms ms2_1  | 64 bytes 172.22.0.3: seq=5 ttl=64 time=0.078 ms

and network created , can listed:

ubuntu@ubuntu:~/docker_compose_tests/test$ docker network ls network id          name                    driver              scope c8562a9231c3        bridge                  bridge              local 412040f6cf69        host                    host                local 1cbabce12616        none                    null                local 59de206c1ffa        test_docker_dev_cloud   bridge              local

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