I have a simple docker file, which has to create tables in DynamoDB: FROM amazon/aws-cli AS seedĬMD ĬMD ["dynamodb", "list-tables", "-endpoint-url", " The output of the container is: Run docker-compose -f my-compose.yaml up -abort-on-container-exit -force-recreate -remove-orphans my-containerĪs you can see there's no any error from the table creation command, but the table list is empty after the creation. I cannot find a good solution to this other than adding -x test to your gradlew build command to stop it running tests: RUN. You cannot run Docker containers inside Docker containers (even using docker:dind as your base image) because dind requires –privileged which docker build does not currently support. run gradlew build from a Dockerfile)… this presents a slight issue. If you use docker to build your jars (i.e. Whilst the tests are running, docker ps will show you the running container: bash-3.2# docker psĬONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMESĦ1a8d8f296ce amazon/dynamodb-local:latest "java -jar DynamoDBL…" 5 seconds ago Up 3 seconds 0.0.0.0:8000->8000/tcp dynamodb-local Running gradle Inside Docker > Task :dynamodb-leader-elector:stopDockerLocalĩ actionable tasks: 8 executed, 1 up-to-date > Task :dynamodb-leader-elector:startDockerLocal
Now, when you run your tests, you’ll see something like this: plavin$. Within your tests, you simply need to create a DynamoDbClient with an endpoint override, like so: // Create a DynamoDB client which points at the local DynamoDBįinal DynamoDbClient dynamoDB = DynamoDbClient.builder() The second task stops the container after tests have completed. To learn more about the new DynamoDB local Docker image, see the DynamoDB local public repository on Docker Hub. jar file that can run on Microsoft Windows, Linux, macOS, and other platforms that support Java. The DynamoDb image exposes port 8000 and we can map it as necessary to a port on the host.
The first runs the container before tests run. DynamoDB local is now available to download as a self-contained Docker image or a. To run DynamoDb locally pull the docker image using the command docker pull amazon/dynamodb-local Docker Pull DynamoDb image Once the DynamoDb image has been downloaded locally, we can run it using the Docker run command. Add to your adleĪdd this to your adle: // Run DynamoDB Local for testsĪrgs "-c", "docker-compose up -d -force-recreate dynamodb-local" This is useful as it means you always get a fresh instance for your test runs and, thus, you don’t have previous test runs influencing current ones. the data is discarded after the container stops). Then in serverless.
npm install -save serverless-dynamodb-local. This will run a DynamoDB local instance with ephemeral storage (i.e. Run DynamoDB Local as Java program on the local host or in docker container Start DynamoDB Local with all the parameters supported (e.g port, inMemory, sharedDb) Table Creation for DynamoDB Local Install Plugin. If you already use docker-compose, you can just add the service to the end of your existing file. The new DynamoDB local Docker image enables you to get started with DynamoDB local quickly by using a docker image with all the DynamoDB local dependencies and. the same directory as your adle file): version: '3.8'Ĭommand: "-jar DynamoDBLocal.jar -sharedDb" This is fairly simple: Create Docker Compose FileĬreate a file called docker-compose.yml in the root of your project (i.e. The approach I went with was having Gradle run the Docker container before tests run and then shut it down afterwards.
You’ll find lots of information online about how to fudge the maven dependency into Gradle but I found this hard to understand and debug. In this post, I will demonstrate how to get started with the local AWS DynamoDB Docker image and a basic ASP.NET Core application which can be conditionally configured to use the local version when in development. It’s great for running your unit tests as mocking out something as complex as Dynamo has limited benefit in terms of the completeness of your tests.ĭynamoDB local ships as a downloadable jar, a Maven dependency or a Docker container. Develop fast, stay secure Bitbucket security with Snyk enables developers to find, fix, and monitor vulnerabilities in their open source dependencies and. Recently, AWS added a Docker image that makes running DynamoDB locally really straightforward.
DynamoDB Local is a Java application which you can run locally to test your applications against DynamoDB, without the need to authenticate against public AWS endpoints.