This is a little demo application o mess around a bit with Amazon DynamoDB.
Nothing fancy to see here, this is just a semi-usable command-line TODO list that reads/writes into DynamoDB. It is useful only to quickly remember how to do basic operations in the API.
First compile the project (a simple go build is enough) and make sure you have a local DynamoDB instance running (so you don't waste money running this on the real thing...):
# compile the project
go build
# run a local, disposable dynamo instance
docker run --name dynamo-local --rm -p 8000:8000 amazon/dynamodb-local -jar DynamoDBLocal.jar -sharedDbRemember that you will have an empty database at this stage. The last thing you need to do is to use NoSQL Workbench to load the model definition of the file TodoApp.json and commit that to your running instance.
Linux users don't have the luxury of using NoSQL Workbench and must create the schema and/or load the data manually. Luckly, the DataModel and TableData keys of the json file have all the information (and practically on the same format) that you need to do so. Have fun!
$ ./dynamo-todo
Usage of ./dynamo-todo:
-add string
Adds a new TODO item, with the specified text (shortcut for -key and -text)
-context string
Default context to use (default "INBOX")
-done
Marks/unmarks the TODO as done
-key string
Sets the key of the TODO. If not specified, is auto generated.
-tags string
Attach the comma-separated list of tags to the specified TODO.
-text string
Sets the text of the TODO
# listing, with default options
./dynamo-todo
# list from a specific context
./dynamo-todo -context NEXT
# list by tags, in a specific context
./dynamo-todo -tags home,work -context NEXT
# add an item with a specific tag
./dynamo-todo -text "Review emails" -tags work
# updating an item
./dynamo-todo -key 2 -text "Hey ho!" -tags fun,vacationMIT. In short, have fun.
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