Which of the following is the correct syntax to deploy a service named webapp with 5 replicas in Docker Swarm?

easy📝 Syntax Q3 of 15

Docker - Swarm

Which of the following is the correct syntax to deploy a service named webapp with 5 replicas in Docker Swarm?

Adocker service run --replicas 5 --name webapp nginx

Bdocker swarm deploy --replicas 5 --name webapp nginx

Cdocker container run --replicas 5 --name webapp nginx

Ddocker service create --replicas 5 --name webapp nginx

Step-by-Step Solution

Solution:

Step 1: Identify correct command for service creation
'docker service create' is the correct command to deploy services in Swarm.
Step 2: Check syntax correctness
docker service create --replicas 5 --name webapp nginx uses correct flags '--replicas 5' and '--name webapp' with image 'nginx'. Others use invalid commands.
Final Answer:
docker service create --replicas 5 --name webapp nginx -> Option D
Quick Check:
Service creation syntax = docker service create [OK]

Quick Trick: Use 'docker service create' with --replicas to scale services [OK]

Common Mistakes:

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