A. Defined parameters such as the ${VARIABLE_NAME} file and later assigned their values in the Parameters tab of the build pipeline

B. Defined variables as exportedVariables to make them available in subsequent stages of the same pipeline

C. Defined a field such as type: DOCKER_IMAGE in the outputArtifacts: section to specify the docker image produced by the Build stage

D. Used vaultVariable to hold the content of the vault secrets in Base64 format