You want to share a configuration file from your host machine with a Spring Boot service in docker-compose. Which is the correct way to do this?

hard📝 Conceptual Q9 of 15

Spring Boot - Docker and Deployment

You want to share a configuration file from your host machine with a Spring Boot service in docker-compose. Which is the correct way to do this?

AUse the <code>depends_on</code> key to link the file

BUse the <code>volumes</code> key to mount the file into the container

CUse the <code>environment</code> key to pass the file path

DUse the <code>ports</code> key to expose the file

Step-by-Step Solution

Solution:

Step 1: Understand file sharing in docker-compose
To share files, volumes mounts host files or directories into containers.
Step 2: Exclude other keys
environment passes variables, depends_on manages service order, and ports exposes network ports, none share files.
Final Answer:
Use the volumes key to mount the file into the container -> Option B
Quick Check:
volumes = share files/directories [OK]

Quick Trick: Use volumes to share files between host and container [OK]

Common Mistakes:

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