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Add screenshot for fields needed in DDB checkpoint

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Harlow Ward 2017-11-20 09:55:43 -08:00 committed by GitHub
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@ -72,21 +72,23 @@ c, err := consumer.New(
The default checkpoint uses Redis on localhost; to set a custom Redis URL use ENV vars: The default checkpoint uses Redis on localhost; to set a custom Redis URL use ENV vars:
``` ```
REDIS_URL=redis.example.com:6379 REDIS_URL=redis.yoursite.com:6379
``` ```
To leverage DynamoDB as the backend for checkpoint we'll need a new table: To leverage DynamoDB as the backend for checkpoint we'll need a new table:
<img width="659" alt="screen shot 2017-11-20 at 9 16 14 am" src="https://user-images.githubusercontent.com/739782/33033316-db85f848-cdd8-11e7-941a-0a87d8ace479.png">
Then override the checkpoint config option: Then override the checkpoint config option:
```go ```go
// new ddb checkpoint // ddb checkpoint
ck, err := checkpoint.New(*table, *app, *stream) ck, err := checkpoint.New(tableName, appName, streamName)
if err != nil { if err != nil {
log.Fatalf("new checkpoint error: %v", err) log.Fatalf("new checkpoint error: %v", err)
} }
// new consumer with checkpoint // consumer with checkpoint
c, err := consumer.New( c, err := consumer.New(
appName, appName,
streamName, streamName,