# Configuring Fluent Bit

- [Format and Schema](/manual/1.4/administration/configuring-fluent-bit/format-schema.md)
- [Configuration File](/manual/1.4/administration/configuring-fluent-bit/configuration-file.md): This page describes the main configuration file used by Fluent Bit
- [Variables](/manual/1.4/administration/configuring-fluent-bit/variables.md)
- [Commands](/manual/1.4/administration/configuring-fluent-bit/commands.md)
- [Upstream Servers](/manual/1.4/administration/configuring-fluent-bit/upstream-servers.md)
- [Unit Sizes](/manual/1.4/administration/configuring-fluent-bit/unit-sizes.md)