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+# Docs Helpers
+
+`docs/helpers` contains a small go program creating docs by extracting information from the code. It has three main responsibilities
+- Generate docs for envvars in config structs
+- Extract envvars that are not mentioned in config structs (aka "Rogue" envvars)
+- Generate docs for rogue envvars
+
+## Generate Envvar docs for config structs
+
+Generates docs from a template file, mainly extracting `"env"` and `"desc"` tags from the config structs.
+
+Templates can be found in `docs/helpers` folder. (Same as this `README`.) Check `.tmpl` files
+
+## Extract Rogue Envvars
+
+It `grep`s over the code, looking for `os.Getenv` and parses these contents to a yaml file along with the following information:
+```golang
+// Variable contains all information about one rogue envvar
+type Variable struct {
+	// These field structs are automatically filled:
+	// RawName can be the name of the envvar or the name of its var
+	RawName string `yaml:"rawname"`
+	// Path to the envvar with linenumber
+	Path string `yaml:"path"`
+	// FoundInCode indicates if the variable is still found in the codebase.
+	FoundInCode bool `yaml:"foundincode"`
+	// Name is equal to RawName but will not be overwritten in consecutive runs
+	Name string `yaml:"name"`
+
+	// These field structs need manual filling:
+	// Type of the envvar
+	Type string `yaml:"type"`
+	// DefaultValue of the envvar
+	DefaultValue string `yaml:"default_value"`
+	// Description of what this envvar does
+	Description string `yaml:"description"`
+	// Ignore this envvar when creating docs?
+	Ignore bool `yaml:"do_ignore"`
+
+	// For simplicity ignored for now:
+	// DependendServices []Service `yaml:"dependend_services"`
+}
+```
+This yaml file can later be manually edited to add descriptions, default values, etc.
+
+IMPORTANT: `RawName`, `Path` and `FoundInCode` are automatically filled by the program. DO NOT EDIT THESE VALUES MANUALLY
+
+## Generate Rogue Envvar docs
+
+It picks up the `yaml` file generated in `Extract Rogue Envvars` step and renders it to a adoc file using a go template.
+
+Template for this can be found at `docs/templates/ADOC_global.tmpl`