You can run the build_and_upload.sh script to re-build and load the container to the ECR repository so long as you've configured your AWS credentials through aws configure.
The below text explains what it's looking at.
Build it
docker build -t climate .
Run it
docker run -e AWS_ACCESS_KEY_ID=<KEY> -e AWS_SECRET_ACCESS_KEY=<KEY> climate
(Referenced from here.)
Login to ECR on your console.
aws ecr get-login-password --region eu-west-1 | docker login --username AWS --password-stdin 288687564189.dkr.ecr.eu-west-1.amazonaws.com/climate-ensembling
Associate the climate container locally with the ECR repository
docker tag climate 288687564189.dkr.ecr.eu-west-1.amazonaws.com/climate-ensembling:climate
Push to ECS
docker push 288687564189.dkr.ecr.eu-west-1.amazonaws.com/climate-ensembling:climate