caching

microservices

Michał "Khorne" Lowas-Rzechonek

vs

SiMPLE REST API

BROWSER

API-SVC

TODO-SVC

client.py

cache.py

YOU ARE HERE

BROWSER

API-SVC

TODO-SVC

GET /list/1234

X-User: foo

GET /list/1234/collaborators/foo

X-User: foo, X-Role: friend

GET /list/1234

200 OK {"role": "friend"}

200 OK {"list_id": 1234,"name": "Groceries", 
"collaborators": [...], "entries": [...]} 

QUERY

QUERY

First call

BROWSER

API-SVC

TODO-SVC

GET ...

GET ...

200 OK ...

ETag: deadbeef

STORE

deadbeef ...

QUERY

STORE deadbeef

200 OK ...

second call

BROWSER

API-SVC

TODO-SVC

GET ...

If-None-Match: deadbeef

GET ...

304 Not Modified

200 OK ...

FETCH

deadbeef ...

LET'S GET TO WORK

caching

microservices

Michał "Khorne" Lowas-Rzechonek

vs