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Erro na execução do docker-compose

Referente ao curso Docker: Criando containers sem dor de cabeça, no capítulo Trabalhando com o Docker Compose e atividade Subindo os serviços

por Claudio Roberto Basilio
| 32k xp | 6 posts

Ao executar o comando docker compose build estou recebendo o seguinte erro:

ERROR: The Compose file './docker-compose.yml' is invalid because:
Invalid top-level property "mongodb". Valid top-level sections for this Compose file are: version, services, networks, volumes, secrets, configs, and extensions starting with "x-".

You might be seeing this error because you're using the wrong Compose file version. Either specify a supported version (e.g "2.2" or "3.3") and place your service definitions under the `services` key, or omit the `version` key and place your service definitions at the root of the file to use version 1.

Segue abaixo o conteúdo do meu docker-compose.yml:

version: '3' services: nginx: build: dockerfile: ./docker/nginx.dockerfile context: . image: douglasq/nginx container_name: nginx ports:

  - "80:80"
networks: 
  - production-network
depends_on:
  - "node1"    
  - "node2"    
  - "node3"

mongodb: image: mongo networks:

- production-network

node1: build: dockerfile: ./docker/alura-books.dockerfile context: . image: douglasq/alura-books container_name: alura-books-1 ports:

- "3000"

networks: 

- production-network

depends_on:

- "mongodb"

node2: build: dockerfile: ./docker/alura-books.dockerfile context: . image: douglasq/alura-books container_name: alura-books-2 ports:

- "3000"

networks: 

- production-network

depends_on:

- "mongodb"

node3: build: dockerfile: ./docker/alura-books.dockerfile context: . image: douglasq/alura-books container_name: alura-books-3 ports:

- "3000"

networks: 

- production-network

depends_on:

- "mongodb"

Segue abaixo a minha versão do docker-compose:

docker-compose version 1.27.4, build 40524192

Segue abaixo a minha versão do Docker

Client: Docker Engine - Community Version: 19.03.8 API version: 1.40 Go version: go1.12.17 Git commit: afacb8b7f0 Built: Wed Mar 11 01:25:46 2020 OS/Arch: linux/amd64 Experimental: false

Server: Docker Engine - Community Engine: Version: 19.03.8 API version: 1.40 (minimum version 1.12) Go version: go1.12.17 Git commit: afacb8b7f0 Built: Wed Mar 11 01:24:19 2020 OS/Arch: linux/amd64 Experimental: false containerd: Version: 1.2.13 GitCommit: 7ad184331fa3e55e52b890ea95e65ba581ae3429 runc: Version: 1.0.0-rc10 GitCommit: dc9208a3303feef5b3839f4323d9beb36df0a9dd docker-init: Version: 0.18.0 GitCommit: fec3683**

3 respostas
por Felipe Monteiro Liberal
| 13.6k xp | 4 posts

O erro diz para você usar a versão '3.3' no docker-compose.yml.

Outro ponto, foi um erro que eu cometi e que vi que o seu está igual, na definição da rede:

O correto seria: 

networks:
    production-network:
        driver: bridge
  • Sem o "-" antes de production-network
por Felipe Monteiro Liberal
| 13.6k xp | 4 posts

O meu código ficou assim:

version: '3.3'

services: 
    nginx:
        build:
            dockerfile: ./docker/nginx.dockerfile
            context: .
        image: douglasq/nginx
        container_name: nginx
        ports:
            - "80:80"
        networks: 
            - production-network
        depends_on: 
            - "node1"
            - "node2"
            - "node3"

    mongodb:
        image: mongo
        networks:
            - production-network

    node1:
        build:
            dockerfile: ./docker/alura-books.dockerfile
            context: .
        image: 
            douglasq/alura-books
        container_name: alura-books-1
        ports:
            - "3000"
        networks: 
            - production-network
        depends_on: 
            - "mongodb"

    node2:
        build:
            dockerfile: ./docker/alura-books.dockerfile
            context: .
        image: 
            douglasq/alura-books
        container_name: alura-books-2
        ports:
            - "3000"
        networks: 
            - production-network
        depends_on: 
            - "mongodb"

    node3:
        build:
            dockerfile: ./docker/alura-books.dockerfile
            context: .
        image: 
            douglasq/alura-books
        container_name: alura-books-3
        ports:
            - "3000"
        networks: 
            - production-network
        depends_on: 
            - "mongodb"

networks:
    production-network:
        driver: bridge
por Claudio Roberto Basilio
| 32k xp | 6 posts

Opa, eu vou tentar aqui! Obrigado pela ajuda!