How do you fix a docker push error, tag does not exist?
You need to add a tag to the image, here is the documentation. Use it like this docker tag 0e5574283393 domain.com/repo/tag_docker_name:latest where 0e5574283393 is the image hash
docker
Passing environment variables not working with Docker
OK, I got it. Instead of the following, docker run -d enviro -e USERNAME=’david’ it must be like this docker run -d -e USERNAME=’david’ enviro No idea, why docker requires the environment variable before the image’s name though.
docker-compose command not available for mac
I ran into the same issue on macOS today. Turned out that you need to run the installed app once, it does some additional downloading and setup. That setup includes setting up your path variables.
Dockerfile – removing a file in one RUN command, it is still present in the next RUN command
I had a similar issue: RUN rm -rf /full/path RUN ln -s /other /full/path This fails because “/full/path” still exists on the second RUN. This workaround works: RUN rm -rf /full/path; ln -s /other /full/path I don’t understand the behavior but was able to work around it in my case.
Docker Container Networking with Docker-in-Docker
There are pros and cons for both DinD and bind mounting the Docker socket and there are certainly use cases for both. As an example, check out this set of blog posts, which does a good job of explaining one of the use cases. Given your example docker-in-docker setup above, you can access Apache httpd … Read more
Error: error:0308010C:digital envelope routines::unsupported at new Hash (node:internal/crypto/hash:71:19)
Node.js v17 moved to OpenSSL v3.0. You could try switching to v16, or set ENV NODE_OPTIONS=”–openssl-legacy-provider” in your Dockerfile, or update your start script in package.json to use react-scripts –openssl-legacy-provider start (or similar depending on your specific start script). There is an issue you can follow here: https://github.com/facebook/create-react-app/issues/11708
kubectl top node `error: metrics not available yet` . Using metrics-server as Heapster Depricated
Use official metrics server – https://github.com/kubernetes-sigs/metrics-server If you use one master node, run this command to create the metrics-server: kubectl apply -f https://github.com/kubernetes-sigs/metrics-server/releases/latest/download/components.yaml If you have HA (High availability) cluster, use this: kubectl apply -f https://github.com/kubernetes-sigs/metrics-server/releases/latest/download/high-availability.yaml Then use can use kubectl top nodes or kubectl top pods -A and get something like: NAME CPU(cores) CPU% … Read more