anchor.diff:  ```
   +
   Output from the command is in `hello-couchbase.out`.
  ++
  +. Update the function:
  ++
  +```
  +aws lambda update-function-code \
  +  --function-name HelloCouchbase \
  +  --zip-file fileb:///Users/arungupta/workspaces/serverless/aws/hello-couchbase/hello-couchbase/target/hello-couchbase-1.0-SNAPSHOT.jar \
  +#  --region us-west-1 \
  +  --publish
  +```
  +
  
positive.code: --role arn:aws:iam::598307997273:role/service-role/myLambdaRole \
  --handler org.sample.serverless.aws.couchbase.HelloCouchbase \
  --zip-file fileb:///Users/arungupta/workspaces/serverless/aws/hello-couchbase/hello-couchbase/target/hello-couchbase-1.0-SNAPSHOT.jar \
  --description "Hello Couchbase + Lambdas" \
  --runtime java8  \
  --region us-west-1 \
  --timeout 30 \
  --memory-size 1024 \
  --environment Variables={COUCHBASE_HOST=1.2.3.4} \
  --publish
  ```
  +
  Shows output:
  
negative.code: ```
  aws lambda invoke \
  --function-name HelloCouchbase \
  #--region us-west-1 \
  hello-couchbase.out
  ```
  +
  