yaodehaung commented 4 years ago

docker-machine

先建立兩個vm

docker-machine create --driver virtualbox vm1

docker-machine create --driver virtualbox vm2

查看現在有幾個vm 被開啟

docker-machine ls

查看狀態
```
$ docker-machine status default
```

Docker Compose

$ docker build .

or

$ docker build -t="your-name/image-name" .

docker push your-name/image-name

Docker Compose 的前身是 fig，它是一個用於管理部署 Docker 容器的 Python 專案，後來變成 Docker Composer，此工具必須要額外安裝（在 Docker for Windows 和 Docker for Mac 中已內建）。docker stack 則是包含在 Docker 引擎中的功能，內部是用 Go 編寫，必須配合 swarm 模式才能使用。 Docker Compose 和 docker stack 都使用 docker-compose.yml，但 docker stack 只支援版本 3，兩者支援的指令有些許不同。 docker stack 無法 build 映像檔，須使用已經存在的映像檔。 Docker Compose 更適合用在開發環境。

REF

初探Docker Machine Docker(五)：Docker 三剑客之 Docker Machine Docker 學習筆記 docker-compose.yml How to Manage Docker Machine With Swarm on Virtualbox docker-swarm-tutorial HAproxy docker swarm 部署記錄

Docker Swarm + HAProxy 实现高可用

yaodehaung commented 4 years ago

$ docker build .

or

$ docker build -t="your-name/image-name" .

docker push your-name/image-name

Docker Compose 的前身是 fig，它是一個用於管理部署 Docker 容器的 Python 專案，後來變成 Docker Composer，此工具必須要額外安裝（在 Docker for Windows 和 Docker for Mac 中已內建）。docker stack 則是包含在 Docker 引擎中的功能，內部是用 Go 編寫，必須配合 swarm 模式才能使用。 Docker Compose 和 docker stack 都使用 docker-compose.yml，但 docker stack 只支援版本 3，兩者支援的指令有些許不同。 docker stack 無法 build 映像檔，須使用已經存在的映像檔。 Docker Compose 更適合用在開發環境。

yaodehaung commented 4 years ago

顯示全部serviceu有哪寫

$docker service ls

$ docker service ls Output

ID                  NAME                MODE                REPLICAS            IMAGE                             PORTS
tl91oppp2c6u        my_app_db           replicated          1/1                 postgres:latest                   *:5432->5432/tcp
p37jjflvy7cj        my_app_visualizer   replicated          1/1                 dockersamples/visualizer:stable   *:8080->8080/tcp
x57ie7l4qq1w        my_app_web          replicated          10/10               twtrubiks/my_django:latest        *:8000->8000/tcp

顯示其中一個service的細項

$ docker service inspect my_app_web  // 加--pretty 可以顯示比較漂亮

顯示docker service inspect my_app_web Output

[
    {
        "ID": "x57ie7l4qq1wi7nfgxoddk2yb",
        "Version": {
            "Index": 9145
        },
        "CreatedAt": "2020-10-08T06:53:38.809859639Z",
        "UpdatedAt": "2020-10-08T07:00:42.955704349Z",
        "Spec": {
            "Name": "my_app_web",
            "Labels": {
                "com.docker.stack.image": "twtrubiks/my_django",
                "com.docker.stack.namespace": "my_app"
            },
            "TaskTemplate": {
                "ContainerSpec": {
                    "Image": "twtrubiks/my_django:latest@sha256:1a8367dc8bf3f49504fa4e3162ab811e65f7c15077f45665b221497784928fe3",
                    "Labels": {
                        "com.docker.stack.namespace": "my_app"
                    },
                    "Privileges": {
                        "CredentialSpec": null,
                        "SELinuxContext": null
                    },
                    "StopGracePeriod": 10000000000,
                    "DNSConfig": {},
                    "Isolation": "default"
                },
                "Resources": {},
                "RestartPolicy": {
                    "Condition": "on-failure",
                    "Delay": 5000000000,
                    "MaxAttempts": 0
                },
                "Placement": {
                    "Platforms": [
                        {
                            "Architecture": "amd64",
                            "OS": "linux"
                        }
                    ]
                },
                "Networks": [
                    {
                        "Target": "rahc4nqk4pjnowfy4qqn8k7yb",
                        "Aliases": [
                            "web"
                        ]
                    }
                ],
                "ForceUpdate": 0,
                "Runtime": "container"
            },
            "Mode": {
                "Replicated": {
                    "Replicas": 10
                }
            },
            "UpdateConfig": {
                "Parallelism": 2,
                "FailureAction": "pause",
                "Monitor": 5000000000,
                "MaxFailureRatio": 0,
                "Order": "stop-first"
            },
            "RollbackConfig": {
                "Parallelism": 1,
                "FailureAction": "pause",
                "Monitor": 5000000000,
                "MaxFailureRatio": 0,
                "Order": "stop-first"
            },
            "EndpointSpec": {
                "Mode": "vip",
                "Ports": [
                    {
                        "Protocol": "tcp",
                        "TargetPort": 8000,
                        "PublishedPort": 8000,
                        "PublishMode": "ingress"
                    }
                ]
            }
        },
        "PreviousSpec": {
            "Name": "my_app_web",
            "Labels": {
                "com.docker.stack.image": "twtrubiks/my_django",
                "com.docker.stack.namespace": "my_app"
            },
            "TaskTemplate": {
                "ContainerSpec": {
                    "Image": "twtrubiks/my_django:latest@sha256:1a8367dc8bf3f49504fa4e3162ab811e65f7c15077f45665b221497784928fe3",
                    "Labels": {
                        "com.docker.stack.namespace": "my_app"
                    },
                    "Privileges": {
                        "CredentialSpec": null,
                        "SELinuxContext": null
                    },
                    "Isolation": "default"
                },
                "Resources": {},
                "RestartPolicy": {
                    "Condition": "on-failure",
                    "MaxAttempts": 0
                },
                "Placement": {
                    "Platforms": [
                        {
                            "Architecture": "amd64",
                            "OS": "linux"
                        }
                    ]
                },
                "Networks": [
                    {
                        "Target": "rahc4nqk4pjnowfy4qqn8k7yb",
                        "Aliases": [
                            "web"
                        ]
                    }
                ],
                "ForceUpdate": 0,
                "Runtime": "container"
            },
            "Mode": {
                "Replicated": {
                    "Replicas": 0
                }
            },
            "UpdateConfig": {
                "Parallelism": 2,
                "FailureAction": "pause",
                "MaxFailureRatio": 0,
                "Order": "stop-first"
            },
            "EndpointSpec": {
                "Mode": "vip",
                "Ports": [
                    {
                        "Protocol": "tcp",
                        "TargetPort": 8000,
                        "PublishedPort": 8000,
                        "PublishMode": "ingress"
                    }
                ]
            }
        },
        "Endpoint": {
            "Spec": {
                "Mode": "vip",
                "Ports": [
                    {
                        "Protocol": "tcp",
                        "TargetPort": 8000,
                        "PublishedPort": 8000,
                        "PublishMode": "ingress"
                    }
                ]
            },
            "Ports": [
                {
                    "Protocol": "tcp",
                    "TargetPort": 8000,
                    "PublishedPort": 8000,
                    "PublishMode": "ingress"
                }
            ],
            "VirtualIPs": [
                {
                    "NetworkID": "lhvinv6gcs2652vzi13wvdj37",
                    "Addr": "10.0.0.29/24"
                },
                {
                    "NetworkID": "rahc4nqk4pjnowfy4qqn8k7yb",
                    "Addr": "10.0.8.17/24"
                }
            ]
        }
    }
]

yaodehaung commented 4 years ago

$ docker network disconnect

yaodehaung commented 4 years ago

Issue

"No such image: sef1548/docker…" 因為docker repository目前是private，所以解決方式需要將repository改成public

docker@vm1:~/dockerLab$ docker service ps my_app_web                                                                                                                                                               
ID                  NAME                IMAGE                   NODE                DESIRED STATE       CURRENT STATE                     ERROR                              PORTS
rgwcficzpfgj        my_app_web.1        sef1548/dockerlab:1.0   vm2                 Ready               Rejected less than a second ago   "No such image: sef1548/docker…"   
a6p13fjy6z2i         \_ my_app_web.1    sef1548/dockerlab:1.0   vm1                 Shutdown            Rejected 5 seconds ago            "No such image: sef1548/docker…"   
ito80il25n10         \_ my_app_web.1    sef1548/dockerlab:1.0   vm2                 Shutdown            Rejected 10 seconds ago           "No such image: sef1548/docker…"   
nmecnarlk16b         \_ my_app_web.1    sef1548/dockerlab:1.0   vm1                 Shutdown            Rejected 15 seconds ago           "No such image: sef1548/docker…"   
vf48elqw931a         \_ my_app_web.1    sef1548/dockerlab:1.0   vm2                 Shutdown            Rejected 20 seconds ago           "No such image: sef1548/docker…"

pogoMoonL / dockerLab

dockerswarm #3

docker-machine

Docker Compose

REF

Issue