circleci error which bundler?

Question

ご覧いただきありがとうございます。
circleciに初めて触れたのでエラーとなりました。
教えていただけると嬉しいです！

前提・実現したいこと

circleciを実行した時にSuccessを表示させたいです。

発生している問題・エラーメッセージ

circleciを実行した時

Traceback (most recent call last):
	2: from /usr/local/bin/bundle:23:in `<main>'
	1: from /usr/local/lib/ruby/2.6.0/rubygems.rb:302:in `activate_bin_path'
/usr/local/lib/ruby/2.6.0/rubygems.rb:283:in `find_spec_for_exe': Could not find 'bundler' (2.1.4) required by your /home/circleci/project/Gemfile.lock. (Gem::GemNotFoundException)
To update to the latest version installed on your system, run `bundle update --bundler`.
To install the missing version, run `gem install bundler:2.1.4`

Exited with code exit status 1
CircleCI received exit code 1

またローカルで

circleci build --job deploy .circleci/config.yml

すると

Docker image digest: xxxxxxxxxxxxxxx..........
====>> Spin up environment
Build-agent version  ()
Error:
Configuration errors: 1 error occurred:

* Cannot find a job named `deploy` to run in the `jobs:` section of your configuration file.
If you expected a workflow to run, check your config contains a top-level key called 'workflows:'

Step failed
Task failed
Error: 1 error occurred:

* Cannot find a job named `deploy` to run in the `jobs:` section of your configuration file.
If you expected a workflow to run, check your config contains a top-level key called 'workflows:'

となります。

以下circleciの設定ファイルです。
.circleci/config.yml

version: 2.1
orbs:
  aws-ecr: circleci/aws-ecr@6.7.0
  aws-ecs: circleci/aws-ecs@1.1.0
workflows:
  nginx-deploy:
    jobs:
      - aws-ecr/build-and-push-image:
          account-url: AWS_ECR_ACCOUNT_URL
          region: AWS_REGION
          aws-access-key-id: AWS_ACCESS_KEY_ID
          aws-secret-access-key: AWS_SECRET_ACCESS_KEY
          create-repo: true
          dockerfile: ./docker/nginx/Dockerfile
          repo: nginx
          tag: "${CIRCLE_SHA1}"
          filters:
            branches:
              only: master
      - aws-ecs/deploy-service-update:
          requires:
            - aws-ecr/build-and-push-image
          family: 'nginx-rails-app' 
          cluster-name: '${ECS_ARN}' 
          service-name: 'test'  
          container-image-name-updates: "container=nginx,tag=${CIRCLE_SHA1}"
  rails-deploy:
    jobs:
      - aws-ecr/build-and-push-image:
          account-url: AWS_ECR_ACCOUNT_URL
          region: AWS_REGION
          aws-access-key-id: AWS_ACCESS_KEY_ID
          aws-secret-access-key: AWS_SECRET_ACCESS_KEY
          create-repo: true
          dockerfile: ./docker/rails/Dockerfile
          repo: rails
          tag: "${CIRCLE_SHA1}"
          filters:
            branches:
              only: master
      - aws-ecs/deploy-service-update:
          requires:
            - aws-ecr/build-and-push-image
          family: 'nginx-rails-app' 
          cluster-name: '${ECS_ARN}' 
          service-name: 'test'
          container-image-name-updates: "container=rails,tag=${CIRCLE_SHA1}"

root@xxxxxx:/app# bundle -v
Bundler version 2.1.4

~/backend $ bundle -v                                                                     +[master]
Bundler version 2.1.4

解決策をご存知の方がいれば教え頂きたいですm(_ _)m