Challenges 🏆

Practical DevOps problems for all skill levels and interests

Limit CPU and Memory Usage of a Docker Compose Application 

Medium,  on  Containers ,  Linux ,  Submissions: 8/19
#docker #docker-compose #cgroups

Make the Container Exit When One of Its Processes Runs Out of Memory 

Medium,  on  Containers ,  Linux ,  Submissions: 8/30
#docker #cgroups #systemd

Restart a Container With Limited Resources 

Medium,  on  Containers ,  Submissions: 38/127
#containers-101 #cgroups #docker

Write a Dagger Function to Test a Go Project 

Medium,  on  CI/CD ,  Submissions: 9/38
#dagger #docker

Docker Scout: Remediating CVEs in a Container Image 

Easy,  on  Containers ,  Security ,  Submissions: 43/141
#docker-scout #docker

Write a Dagger Function to Build a Go Project 

Medium,  on  CI/CD ,  Submissions: 10/46
#dagger #docker

Create Your First Dagger Module 

Easy,  on  CI/CD ,  Submissions: 27/79
#dagger #docker

Install the Dagger CLI on a Linux Host 

Easy,  on  CI/CD ,  Submissions: 61/83
#dagger #docker

Copy Files To/From a Running Docker Container 

Easy,  on  Containers ,  Submissions: 87/150
#docker #debugging

Extract the Filesystem of a Container Image 

Medium,  on  Containers ,  Submissions: 40/139
#container-images #debugging #docker

Edit a File in a Running Container: a Simple Case 

Easy,  on  Containers ,  Submissions: 235/362
#debugging #docker

Edit a File in a Running Container: a Slim Base Image Case 

Medium,  on  Containers ,  Submissions: 117/160
#debugging #slim-images #distroless

Pick the Right Distroless Base Image For Your Application  Premium

Hard,  on  Containers ,  Submissions: 19/45
#container-images #slim-images #distroless

When a FROM scratch Container Image Is Not Good Enough 

Medium,  on  Containers ,  Submissions: 53/160
#container-images #slim-images #distroless

Start and Inspect a Container With Docker 

Easy,  on  Containers ,  Submissions: 233/433
#containers-101 #docker

Network Access to a Container Started by ctr 

Hard,  on  Linux ,  Containers ,  Networking ,  Submissions: 43/71
#containerd #ctr #docker

Access a Docker Container With No Published Ports 

Medium,  on  Linux ,  Containers ,  Networking ,  Submissions: 111/163
#containerd #ctr #docker

Execute a Command in a Docker Container Using ctr 

Medium,  on  Containers ,  Submissions: 37/58
#containerd #ctr #docker

Working With containerd Namespaces 

Easy,  on  Containers ,  Submissions: 80/175
#containerd #ctr #docker
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