module add \
    --name=org.postgresql \
    --slot=main \
    --resources=<PATH-TO>/postgresql-9.4.1208.jar \
    --dependencies=javax.api,javax.transaction.api

/subsystem=datasources/jdbc-driver=postgres:add(driver-name=postgres,driver-module-name=org.postgresql,driver-class-name=org.postgresql.Driver)

data-source add \
    --jndi-name=java:jboss/datasources/Postgre \
    --name=PGDSName \
    --connection-url=jdbc:postgresql://host:port/DB \
    --driver-name=postgres \
    --user-name=USERNAME \
    --password=PASSWORD