docker-compose 1.6 "args" attribute on "build" -


i'm trying use new "args" attribute pass variable dockerfile build. yaml parser not accepting parameter.

error: yaml.scanner.scannererror: mapping values not allowed here

for version 2 of docker-compose.yml requirements docker-compose 1.6+ , docker-engine 1.10+ , have both them installed.

this part of docker-compose file:

version: '2' services:  solr:     build: ./solr       args:         solr_port: 8983     volumes:       - ./apps/solr-conf:/opt/solr/server/solr     ports:       - 8983:8983

the error refers "args" line.

the issue here build field should specified path build context or object options, not both. if going use args field, have specify path of build in context field.

check below how should be:

version: '2' services:  solr:     build:        context: ./solr       args:         solr_port: 8983     volumes:       - ./apps/solr-conf:/opt/solr/server/solr     ports:       - 8983:8983

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