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Couchcache

PkgGoDev Go Report Card

A caching service developed in Go. It provides REST APIs to access key-value pairs stored in Couchbase.

You may also consider using couchcache as a mocked service when doing TDD.

To start couchcache

Run couchcache with Couchbase server (host and port) and bucket (name and password) information

./couchcache --host=HOST --port=PORT --bucket=BUCKET --pass=PASS

Example

./couchcache --host=10.99.107.192 --port=8091 --bucket=cachebucket --pass=c@che1t

Default values

host: localhost
port: 8091
bucket: couchcache
pass: password

Cache service endpoint

http://HOST:8080/key/KEY

Examples

http://10.99.107.190:8080/key/customer_555

http://10.99.107.190:8080/key/the_service_i_want_to_mock-endpoint_a, if you're mocking other service's endpoint

To store a key-value pair

  • request
    • send POST request to endpoint with data in body
    • optionally set TTL by ?ttl=TTL_IN_SEC
  • response
    • HTTP 201 Created if stored
    • HTTP 400 Bad Request if key or value is invalid

To retrieve a key

  • request
    • send GET request to endpoint
  • response
    • HTTP 200 OK with data in body
    • HTTP 404 Not Found if key doesn't exist
    • HTTP 400 Bad Request if key is invalid

To delete a key

  • request
    • send DELETE request to endpoint
  • response
    • HTTP 204 No Content if deleted
    • HTTP 404 Not Found is key doesn't exist
    • HTTP 400 Bad Request if key is invalid

To append data for a key

  • request
    • send PUT request to endpoint with data in body
  • response
    • HTTP 200 OK if appended
    • HTTP 404 Not Found if key doesn't exist
    • HTTP 400 Bad Request if key or value is invalid

Limitations

  • Max key length is 250 bytes
  • Max value size is 20 MB

See Couchbase Limits.

License

couchcache is distributed under the terms of the MIT license. See LICENSE for details.

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A RESTful caching micro-service in Go backed by Couchbase

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