[Solved] You want to deploy a multi-container Docker app in production with these goals:- Automatically restart containers on failure- Monitor container health and alert if unhealthy- Ensure containers start... | Docker

Docker - Production Patterns

You want to deploy a multi-container Docker app in production with these goals:
- Automatically restart containers on failure
- Monitor container health and alert if unhealthy
- Ensure containers start in correct order

Which combination of Docker Compose features best achieves this?

AUse restart: no, no healthcheck, and depends_on without conditions

BUse restart: always, healthcheck with retries, and depends_on with condition: service_healthy

CUse restart: on-failure, healthcheck without retries, and no depends_on

DUse restart: unless-stopped, healthcheck with interval 1h, and depends_on with condition: service_started

Step-by-Step Solution

Solution:

Step 1: Choose restart policy for automatic recovery
'restart: always' ensures containers restart on any stop, improving reliability.
Step 2: Configure health checks with retries
Health checks with retries detect unhealthy containers and allow alerting or action.
Step 3: Use depends_on with service_healthy condition
This ensures containers start only after dependencies are healthy, maintaining correct order.
Final Answer:
Use restart: always, healthcheck with retries, and depends_on with condition: service_healthy -> Option B
Quick Check:
Restart + healthcheck + depends_on healthy = production pattern [OK]

Quick Trick: Combine restart, healthcheck, and depends_on with health condition [OK]

Common Mistakes:

Skipping health checks or retries
Using depends_on without health condition
Choosing restart policies that don't restart on all failures

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More Docker Quizzes

You want to deploy a multi-container Docker app in production with these goals:

Step 1: Choose restart policy for automatic recovery

Step 2: Configure health checks with retries

Step 3: Use depends_on with service_healthy condition

Final Answer:

Quick Check:

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