Bitbucket pipeline doesn't correctly install image

I have this bitbucket pipeline:

image: ubuntu:latestpipelines:  branches:    master:      - step:          name: Upload          script:            - apt-get update && apt-get install -y openssh-client jq curl            - cat /opt/atlassian/pipelines/agent/ssh/id_rsa >> ec2_private_key.pem            - chmod 600 ec2_private_key.pem            - echo "Fetching modified files from Bitbucket API using diff endpoint"            - |              curl -s -H "Authorization: Bearer $API_TOKEN_BEARER" \"https://api.bitbucket.org/2.0/repositories/$BITBUCKET_REPO_FULL_NAME/commits/master" \              | jq -r '.values[0].hash'> latest_commit.txt            - COMMIT_HASH=$(cat latest_commit.txt)            - |              curl -s -H "Authorization: Bearer $API_TOKEN_BEARER" \"https://api.bitbucket.org/2.0/repositories/$BITBUCKET_REPO_FULL_NAME/diff/$COMMIT_HASH" \              | grep '^+++ b' | awk '{print $2}' | sed 's/^b\///'> modified_files.txt            - echo "Modified files:"            - cat modified_files.txt            - while IFS= read -r file; do                scp -i ec2_private_key.pem -o StrictHostKeyChecking=no -r "$file" ubuntu@$EC2_HOST:$PATH"$file";              done < modified_files.txt            - ssh -i ec2_private_key.pem -o StrictHostKeyChecking=no ubuntu@$EC2_HOST "cd $PATH && sudo docker-compose up --build -d"

Which is very similar to another pipeline I have in another repository and already works. However, it seems that the image is not correctly installed when the pipeline is executed. In the build set up, I get this error:

Images used:build : docker.io/library/ubuntu@sha256:bash: dircolors: command not found

And in the apt-get line I get this error:

• apt-get update && apt-get install -y openssh-client jq curlbash: apt-get: command not found