# Database settings DB_HOST=localhost DB_PORT=5432 EMPTY= export APP_ENV = production COMPOSE_PROJECT_NAME=my-app WITH.DOTS=accepted # Quotes, comments, interpolation, and escapes PLAIN=value with spaces # trailing comment HASH=value#comment SINGLE='literal ${APP_ENV} # text' DOUBLE="${APP_ENV} with a newline\n" UNBRACED=$APP_ENV-suffix MULTILINE="first line second ${APP_ENV} line" 9INVALID=value MISSING_SEPARATOR