Instance deployment: The Docker container unexpectedly ended after it was started - docker

Question

hi guys not sure what im doing wrong here but when ever i upload my project docker image to elastic beanstalk i get this error: Instance deployment: The Docker container unexpectedly ended after it was started. I am new to this and i am not sure why this happens please help if you can.
docker image
WORKDIR /usr/src/app
COPY package*.json ./
RUN npm install --force
COPY . .
ENV APP_PORT 8080
EXPOSE 8080
CMD [ "node", "app.js" ]
.gitlab-ci.yml file
- build
- run
variables:
APP_NAME: ${CI_PROJECT_NAME}
APP_VERSION: "1.0.0"`enter code here`
S3_BUCKET: "${S3_BUCKET}"
AWS_ID: ${MY_AWS_ID}
AWS_ACCESS_KEY_ID: ${MY_AWS_ACCESS_KEY_ID}
AWS_SECRET_ACCESS_KEY: ${MY_AWS_SECRET_ACCESS_KEY}
AWS_REGION: us-east-1
AWS_PLATFORM: Docker
create_eb_version:
stage: build
image: python:latest
allow_failure: false
script: |
pip install awscli #Install awscli tools
echo "Creating zip file ${APP_NAME}"
python zip.py ${APP_NAME}
echo "Creating AWS Version Label"
AWS_VERSION_LABEL=${APP_NAME}-${APP_VERSION}-${CI_PIPELINE_ID}
S3_KEY="$AWS_VERSION_LABEL.zip"
echo "Uploading to S3"
aws s3 cp ${APP_NAME}.zip s3://${S3_BUCKET}/${S3_KEY} --region ${AWS_REGION}
echo "Creating app version"
aws elasticbeanstalk create-application-version \
--application-name ${APP_NAME} \
--version-label $AWS_VERSION_LABEL \
--region ${AWS_REGION} \
--source-bundle S3Bucket=${S3_BUCKET},S3Key=${S3_KEY} \
--description "${CI_COMMIT_DESCRIPTION}" \
--auto-create-application \
only:
refs:
- main
deploy_aws_eb:
stage: run
image: coxauto/aws-ebcli
when: manual
script: |
AWS_VERSION_LABEL=${APP_NAME}-${APP_VERSION}-${CI_PIPELINE_ID}
echo "Deploying app to tf test"
eb init -i ${APP_NAME} -p ${AWS_PLATFORM} -k ${AWS_ID} --region ${AWS_REGION}
echo "Deploying to enviroment"
eb deploy ${APP_ENVIROMENT_NAME} --version ${AWS_VERSION_LABEL}
echo "done"
only:
refs:
- main

Answer 1

I got it to work my node version in my docker file was set to 10 and not 16 changed the node version to 16 and also replaced APP_PORT with PORT because that's what I named it