79 lines
1.6 KiB
Markdown
79 lines
1.6 KiB
Markdown
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# Typical Microservice
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## Service sequence diagrams
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### Health check
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The health sequence diagram for a typical microservice might be:
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```mermaid
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sequenceDiagram
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Sysops ->> Gateway: Regular checks
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Activate Gateway
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Gateway ->> Gateway:
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Note right of Gateway: Check source IP for eligibility
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Gateway ->> Microservice: Service to health check
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Activate Microservice
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Microservice ->> Health:
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Activate Health
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Health ->> Health: API enabled
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Health ->> Health: Runtime and logic check
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Health ->> Database: Check live and records
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Activate Database
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Database -->> Health: Ok
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Deactivate Database
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Health -->> Microservice:
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deactivate Health
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Microservice -->> Gateway: Health response
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deactivate Microservice
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Gateway -->> Sysops:
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deactivate Gateway
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```
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### Resource listing
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The resource listing sequence diagram for a typical microservice might be:
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```mermaid
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sequenceDiagram
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Web ->> Gateway: On demand
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Activate Gateway
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Gateway ->> Gateway:
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Note right of Gateway: Authentication
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Gateway ->> Gateway:
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Note right of Gateway: Rate limiting
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Gateway ->> Microservice: Resource listing
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Activate Microservice
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Microservice ->> Microservice: Validate resource
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Microservice ->> Microservice: Resource authorisation
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Microservice ->> Database: Fetch records
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Activate Database
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Database -->> Microservice: Ok
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Deactivate Database
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Microservice -->> Gateway: Listing response
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deactivate Microservice
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Gateway -->> Web:
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deactivate Gateway
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```
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