sed command to replace the image in kubernetes yaml file [duplicate]
The s command in sed can have different delimiters, if your pattern has / use something else in s command
ELASTICSEARCH_IMAGE='gcr.io/sample/elasticsearch:7.3.1'$ echo " containers: - image: {{ELASTICSEARCH}} name: elasticsearch" | sed "s|{{ELASTICSEARCH}}|$ELASTICSEARCH_IMAGE|" containers: - image: gcr.io/sample/elasticsearch:7.3.1 name: elasticsearch