Containers: Docker, Compose and Swarm

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Tier by tier

Complete every exercise of a tier to add its nine to your rank in this lab.

  1. 90%

    Beginner free

    0 of 9 passed

    1. Your first container: to do
    2. Image or container?: to do
    3. Your first Dockerfile: to do
    4. Configure with the environment: to do
    5. Read the logs, step inside: to do
    6. Does the data survive?: to do
    7. Restart on its own: to do
    8. Two containers that talk: to do
    9. Make room: to do
  2. 99%

    Intermediate

    0 of 8 passed

    1. The build cache: locked
    2. A 1 GB image: locked
    3. The build context: locked
    4. Stop running as root: locked
    5. Started doesn't mean ready: locked
    6. Your first Compose stack: locked
    7. Resource limits: locked
    8. Development and production: locked
    Unlock with the Intermediate plan
  3. 99.9%

    Advanced

    0 of 8 passed

    1. Ship through the registry: locked
    2. The tag that moved: locked
    3. The logs that filled the disk: locked
    4. Bad Gateway after every release: locked
    5. Killed in the middle of a payout: locked
    6. PostgreSQL 16 to 17, every order kept: locked
    7. The token in every image: locked
    8. Lock down the exposed containers: locked
    Unlock with the Advanced plan
  4. 99.99%

    Expert

    0 of 6 passed

    1. Only the manager has the image: locked
    2. Every release drops requests: locked
    3. The release that looked fine: locked
    4. The password in docker service inspect: locked
    5. The database that moved: locked
    6. Two managers, no majority: locked
    Unlock with the Expert plan
  5. 99.999%

    Architect

    0 of 4 passed

    1. The poisoned mirror: locked
    2. The idle arm64 nodes: locked
    3. Capacity for the campaign: locked
    4. The recovery drill: locked
    Unlock with the Architect plan