$ docker ps
CONTAINER ID        IMAGE                         COMMAND                  CREATED             STATUS                PORTS                                                            NAMES
696d559ce382        gitlab/gitlab-runner:latest   "/usr/bin/dumb-ini..."   5 days ago          Up 25 minutes                                                                          gitlab-runner
ff95f354200d        gitlab/gitlab-ce:latest       "/assets/wrapper"        7 days ago          Up 6 days (healthy)   0.0.0.0:80->80/tcp, 0.0.0.0:443->443/tcp, 0.0.0.0:8888->22/tcp   gitlab

$ curl https://packages.microsoft.com/keys/microsoft.asc | gpg --dearmor > microsoft.gpg
$ sudo mv microsoft.gpg /etc/apt/trusted.gpg.d/microsoft.gpg
$ sudo sh -c 'echo "deb [arch=amd64] https://packages.microsoft.com/repos/microsoft-ubuntu-xenial-prod xenial main" > /etc/apt/sources.list.d/dotnetdev.list'

$ sudo apt-get update
$ sudo apt-get install dotnet-sdk-2.0.0

$ dotnet new webapi -o hwapp
$ cd hwapp

public class Program
{
    public static void Main(string[] args)
    {
        BuildWebHost(args).Run();
    }

    public static IWebHost BuildWebHost(string[] args) =>
        WebHost.CreateDefaultBuilder(args)
            .UseKestrel() //add code
            .UseUrls($"http://*:8088") //add code
            .UseStartup<hwapp.Startup>()
            .Build();
}

image: microsoft/aspnetcore-build
stages:
  - build
  - deploy_dev
before_script:
  # Install ssh-agent if not already installed, it is required by Docker.
  # (change apt-get to yum if you use a CentOS-based image)
  - 'which ssh-agent || ( apt-get update -y && apt-get install openssh-client -y )'

  # Run ssh-agent (inside the build environment)
  - eval $(ssh-agent -s)

  # Add the SSH key stored in SSH_PRIVATE_KEY variable to the agent store
  # error: https://gitlab.com/gitlab-examples/ssh-private-key/issues/1
  # - echo "$SSH_PRIVATE_KEY_DEV"
  - ssh-add <(echo "$SSH_PRIVATE_KEY_DEV")

  # For Docker builds disable host key checking. Be aware that by adding that
  # you are suspectible to man-in-the-middle attacks.
  # WARNING: Use this only with the Docker executor, if you use it with shell
  # you will overwrite your user's SSH config.
  - mkdir -p ~/.ssh
  - '[[ -f /.dockerenv ]] && echo -e "Host *\n\tStrictHostKeyChecking no\n\n" > ~/.ssh/config'
build_job:
  stage: build
  only:
    - master
  script:
    - dotnet restore
    - dotnet build
deploy_dev_job:
  stage: deploy_dev
  environment:
    name: development
  only:
    - master
  script:
    # 发布程序并部署运行
    - dotnet publish -c Release --output bin/publish
    - scp -r bin/publish root@$DEPLOY_SERVER_DEV:/home/xishuai/wwwroot/hwapp
    - ssh root@$DEPLOY_SERVER_DEV "supervisorctl restart hwapp && curl http://localhost:8088/api/values"

before_script:
  # Install ssh-agent if not already installed, it is required by Docker.
  # (change apt-get to yum if you use a CentOS-based image)
  - 'which ssh-agent || ( apt-get update -y && apt-get install openssh-client -y )'

  # Run ssh-agent (inside the build environment)
  - eval $(ssh-agent -s)

  # Add the SSH key stored in SSH_PRIVATE_KEY_DEV variable to the agent store
  - ssh-add <(echo "$SSH_PRIVATE_KEY_DEV")

  # For Docker builds disable host key checking. Be aware that by adding that
  # you are suspectible to man-in-the-middle attacks.
  # WARNING: Use this only with the Docker executor, if you use it with shell
  # you will overwrite your user's SSH config.
  - mkdir -p ~/.ssh
  - '[[ -f /.dockerenv ]] && echo -e "Host *\n\tStrictHostKeyChecking no\n\n" > ~/.ssh/config'
  # In order to properly check the server's host key, assuming you created the
  # SSH_SERVER_HOSTKEYS variable previously, uncomment the following two lines
  # instead.
  # - mkdir -p ~/.ssh
  # - '[[ -f /.dockerenv ]] && echo "$SSH_SERVER_HOSTKEYS" > ~/.ssh/known_hosts'

$ ssh-add <(echo "$SSH_PRIVATE_KEY_DEV")
Enter passphrase for /dev/fd/63: ERROR: Job failed: exit code 1

$ ssh-add <(echo "$SSH_PRIVATE_KEY_DEV")
Identity added: /dev/fd/63 (/dev/fd/63)

$ ssh-copy-id root@40.125.201.75

- ssh root@$DEPLOY_SERVER_DEV "ls && cd /"

- scp -r bin/publish root@$DEPLOY_SERVER_DEV:/home/xishuai/wwwroot/hwapp