PostgreSQL Environment variables

Setting PostgreSQL environment variables

export PGUSER=X
export PGPASSWORD=X
export PGHOST=X
export PGPORT=X
export PGDATABASE=X

Chaine de connexion

export DATABASE_URL=postgresql://<pguser>:<pgpassword>@<pghost>:<pgport>/<pgdatabase>

Unsetting variables

unset PGUSER PGPASSWORD PGHOST PGDATABASE