'/bin/bash: line 120: docker: command not found

Getting the error in Gitlab, when I was using below gitlab-ci.yaml troubleshoot and investigated by changing the image and permissions & ownership at the OS level for docker file, but it didn't help

/bin/bash: line 120: docker: command not found

when executing the job from GitLab, we get the error. .gitlab-ci.yaml

stages:
    - build-stage
    - deploy-stage

image: docker

build:
    script:
        - docker --version
        - docker build -t pyapp . 
    tags:
        - linux
    stage: build-stage

deploy:
    script:
        - docker stop python-container || true && docker rm python-container || true
        - docker run -d --name python-container -p 80:8080 pyapp
        - echo "Commit author is:" $CI_COMMIT_AUTHOR 

    tags:
        - linux
    stage: deploy-stage
linuxubuntugitlab


Solution 1:[1]

I spent a lot of time, earlier I thought it could be an issue with the docker engine or permissions or something with the OS platform. while running the gitlab-runner register We need to provide or modify the executor, in my case earlier it was docker I changed it to shell and it worked for me

Sources

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Source: Stack Overflow

Solution Source
Solution 1 Jagdish0886

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