The -e causes the command to stop on any errors. A more typical syntax is to separate commands with && to stop on any error. The -x causes the shell to output each command being run. This is useful for debugging scripts. From the bash man page under set: -e Exit immediately if a pipeline … Read more
I stucked in two kinds of error system pods running, found labels but still waiting for labels… xxxx: EOF I finally sovled it by following the advice by the following project, https://github.com/AliyunContainerService/k8s-for-docker-desktop/ Do as it told you, if not work, remove ~/.kube and ~/Library/Group\ Containers/group.com.docker/pki directory, then restart docker desktop and wait like 5 minutes. … Read more
Docker client provides cli only, it is just an http api wrapper, Like aws cli. Docker daemon is the brain behind the whole operation, like aws itself. When you use docker run command to start up a container, your docker client will translate that command into http API call, sends it to docker daemon, Docker … Read more
This is a supplement to @zooblin ‘s answer Since docker-compose version 1.29, we can do it by condition: service_completed_successfully In your scene, database service start will cost some time, so the migration scripts should be executed after database fully started. And the application service should start after migration scripts executed successfully. the docker-compose.yaml may be … Read more
Add network aliases in the default network. version: “3.7” services: nginx: # … networks: default: aliases: – example.local browser-sync: # … depends_on: – nginx command: “browser-sync start –proxy http://example.local”
You can set the proxy environment variables when starting the container, for example: docker container run \ -e HTTP_PROXY=http://username:[email protected] \ -e HTTPS_PROXY=http://username:[email protected] \ myimage If you want the proxy-server to be automatically used when starting a container, you can configure default proxy-servers in the Docker CLI configuration file (~/.docker/config.json). You can find instructions for this … Read more
It suffices to use the ** pattern. For example: .dockerignore **/.git The relevant passage from that page of the official doc is: .dockerignore file […] Matching is done using Go’s filepath.Match rules. A preprocessing step removes leading and trailing whitespace and eliminates . and .. elements using Go’s filepath.Clean. Lines that are blank after preprocessing … Read more
When docker networks are created (e.g. using docker network create or indirectly through docker-compose) without explicitly specifying a subnet range, dockerd allocates a new /16 network, starting from 172.N.0.0/16, where N is a number that is incremented (e.g. N=17, N=18, N=19, N=20, …). A given N is skipped if a docker network (a custom one, … Read more
The kompose tool now includes the ability to convert to Helm charts from docker-compose.yml files: kompose convert -c Check out the kompose Alternative Conversions documentation (also here).
If you are using the values from the env file by name, like below. You can use posix parameter expansion like shown to get default value behavior. Compose will use the value for that variable from .env file or if it’s set in your shell, otherwise it will default to default-value. services: myapp: environment: SOME_VALUE: … Read more