#dockerhour search results
๐๏ธ Docker tip #13: Use arguments in your Dockerfile for things like your base image's tag. This way you won't need to change the Dockerfile upon every update to the base image. $ docker build --build-arg BASE_IMAGE_TAG=20.04 -t my-image . #DockerHour โณ
๐ป Docker tip #12: Clean up your Docker resources to free up some disk space every once in a while. - docker container prune - docker image prune - docker volume prune - docker system prune The last one deletes almost everything. ๐ฃ #DockerHour โณ
๐ Docker Tip #11: To restrict container capabilities on Kubernetes, use "security context". #ContainerSecurity #DockerHour โณ DockerSecurity.io
๐ก๏ธ Docker tip #22. Use @Docker Scout view on Docker Desktop to check your images' score, and try to fix them to get an A! #DockerHour
๐ Docker Tip #2: Use multi-stage builds to keep your #Docker images small. Build dependencies in one stage and copy only what's needed into the final image. Smaller images = more security = faster deployment. #DockerHour
๐ Docker Tip 10: Enhance #Docker security by limiting container capabilities with "--cap-drop" and "--cap-add" options: $ docker run --cap-drop=ALL -p 8080:8080 my-node-app #DockerHour โณ DockerSecurity.io
๐ Docker Tip #3: Don't run containers as root! Always specify a non-root user in your Dockerfile to enhance security and follow the principle of least privilege. #ContainerSecurity #DockerHour DockerSecurity.io
๐งน Docker tip #6: You can check how much disk space your Docker images, containers, volumes, and caches are occupying by: $ docker system df Then you can free them by: $ docker system prune #DockerHour โณ
๐ก Docker Tip #1: Optimize your Dockerfile by placing less frequently changing dependencies higher in the file. This helps utilize Docker's caching mechanism for faster builds. #DockerHour
๐ Docker tip #14: Use official Docker images as base image whenever possible. These images are maintained actively and are considered to be most secure. ๐ #DockerHour โณ DockerSecurity.io
๐ Docker tip #23: Kickstart new projects with `docker init`. This handy command auto-generates: - Dockerfile, - .dockerignore, - docker-compose.yaml, - and more. Itโs like having a template ready: saves time and ensures best practices from the start. #DockerHour
๐ Docker tip #16: Use Docker Buildx Bake to store your build configuration as code. $ docker buildx bake You need a docker-bake.hcl file for his command to work. #DockerHour
๐งน Docker tip #19. To remove all of your Docker images, do the following: $ docker rmi $(docker images -q) This `docker images -q` lists all of the images, and the output is fed to `docker rmi`, which is for removing images. #DockerHour
๐ Docker Tip #20: Use a .dockerignore file to keep unnecessary files out of your build context. A smaller build context means faster builds. Only send what's needed to the daemon, and ignore the rest. #DockerHour
๐ Docker Tip #5: Use Docker volumes for persistent data storage. Your Docker container should always be ready to be killed and restarted. Using volumes will protect your data from being lost by restarts. #DockerHour โณ
๐๏ธ Docker Tip #9: After running a Docker container in detached mode, you can attach to it with the following command: $ docker attach <container-id> It's different than `docker exec` as it will attach to the original process. #DockerHour โณ
๐๏ธ Docker tip #17. Always use the slim version of Docker images where possible, especially as a base image. FROM python:3.11-slim Less packages = more security. #DockerHour DockerSecurity.io @SlimToolkit
๐งฐ Docker tip #18. Use Slim Toolkit (formerly Docker Slim) to build slim Docker images: $ slim build --target archlinux:latest --tag archlinux:curl --http-probe=false --exec "curl checkip.amazonaws.com" Learn more here: github.com/slimtoolkit/slโฆ #DockerHour @SlimToolkit
๐ Docker tip #23: Kickstart new projects with `docker init`. This handy command auto-generates: - Dockerfile, - .dockerignore, - docker-compose.yaml, - and more. Itโs like having a template ready: saves time and ensures best practices from the start. #DockerHour
๐ก๏ธ Docker tip #22. Use @Docker Scout view on Docker Desktop to check your images' score, and try to fix them to get an A! #DockerHour
๐ Docker Tip #20: Use a .dockerignore file to keep unnecessary files out of your build context. A smaller build context means faster builds. Only send what's needed to the daemon, and ignore the rest. #DockerHour
๐งน Docker tip #19. To remove all of your Docker images, do the following: $ docker rmi $(docker images -q) This `docker images -q` lists all of the images, and the output is fed to `docker rmi`, which is for removing images. #DockerHour
๐งฐ Docker tip #18. Use Slim Toolkit (formerly Docker Slim) to build slim Docker images: $ slim build --target archlinux:latest --tag archlinux:curl --http-probe=false --exec "curl checkip.amazonaws.com" Learn more here: github.com/slimtoolkit/slโฆ #DockerHour @SlimToolkit
๐๏ธ Docker tip #17. Always use the slim version of Docker images where possible, especially as a base image. FROM python:3.11-slim Less packages = more security. #DockerHour DockerSecurity.io @SlimToolkit
๐ Docker tip #16: Use Docker Buildx Bake to store your build configuration as code. $ docker buildx bake You need a docker-bake.hcl file for his command to work. #DockerHour
๐ Docker tip #14: Use official Docker images as base image whenever possible. These images are maintained actively and are considered to be most secure. ๐ #DockerHour โณ DockerSecurity.io
๐๏ธ Docker tip #13: Use arguments in your Dockerfile for things like your base image's tag. This way you won't need to change the Dockerfile upon every update to the base image. $ docker build --build-arg BASE_IMAGE_TAG=20.04 -t my-image . #DockerHour โณ
๐ป Docker tip #12: Clean up your Docker resources to free up some disk space every once in a while. - docker container prune - docker image prune - docker volume prune - docker system prune The last one deletes almost everything. ๐ฃ #DockerHour โณ
๐ Docker Tip #11: To restrict container capabilities on Kubernetes, use "security context". #ContainerSecurity #DockerHour โณ DockerSecurity.io
๐ Docker Tip 10: Enhance #Docker security by limiting container capabilities with "--cap-drop" and "--cap-add" options: $ docker run --cap-drop=ALL -p 8080:8080 my-node-app #DockerHour โณ DockerSecurity.io
๐๏ธ Docker Tip #9: After running a Docker container in detached mode, you can attach to it with the following command: $ docker attach <container-id> It's different than `docker exec` as it will attach to the original process. #DockerHour โณ
๐งน Docker tip #6: You can check how much disk space your Docker images, containers, volumes, and caches are occupying by: $ docker system df Then you can free them by: $ docker system prune #DockerHour โณ
๐ Docker Tip #5: Use Docker volumes for persistent data storage. Your Docker container should always be ready to be killed and restarted. Using volumes will protect your data from being lost by restarts. #DockerHour โณ
๐ Docker Tip #3: Don't run containers as root! Always specify a non-root user in your Dockerfile to enhance security and follow the principle of least privilege. #ContainerSecurity #DockerHour DockerSecurity.io
๐ Docker Tip #2: Use multi-stage builds to keep your #Docker images small. Build dependencies in one stage and copy only what's needed into the final image. Smaller images = more security = faster deployment. #DockerHour
๐ก Docker Tip #1: Optimize your Dockerfile by placing less frequently changing dependencies higher in the file. This helps utilize Docker's caching mechanism for faster builds. #DockerHour
๐ Docker Tip #11: To restrict container capabilities on Kubernetes, use "security context". #ContainerSecurity #DockerHour โณ DockerSecurity.io
๐ก๏ธ Docker tip #22. Use @Docker Scout view on Docker Desktop to check your images' score, and try to fix them to get an A! #DockerHour
๐ป Docker tip #12: Clean up your Docker resources to free up some disk space every once in a while. - docker container prune - docker image prune - docker volume prune - docker system prune The last one deletes almost everything. ๐ฃ #DockerHour โณ
๐๏ธ Docker tip #13: Use arguments in your Dockerfile for things like your base image's tag. This way you won't need to change the Dockerfile upon every update to the base image. $ docker build --build-arg BASE_IMAGE_TAG=20.04 -t my-image . #DockerHour โณ
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