diff --git a/.gitignore b/.gitignore
index 8f9be7b..bdbfff8 100644
--- a/.gitignore
+++ b/.gitignore
@@ -7,8 +7,12 @@
 
 bin
 database.txt
+plantuml.jar
 db.sqlite3
-*.png
+diagram.puml
+backend/*.png
+backend/*.jpg
+backend/*.svg
 
 # Test binary, built with `go test -c`
 *.test
diff --git a/backend/Makefile b/backend/Makefile
index 2547900..9cfa335 100644
--- a/backend/Makefile
+++ b/backend/Makefile
@@ -27,6 +27,10 @@ clean:
 	$(GOCLEAN)
 	rm -rf bin
 	rm -f db.sqlite3
+	rm -f diagram*
+	rm -f plantuml.jar
+	rm -f erd.png
+	rm -f config.toml
 
 # Test target
 test: db.sqlite3
@@ -98,6 +102,18 @@ install-lint:
 	@echo "Installing golangci-lint"
 	@curl -sSfL https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh | sh -s -- -b $(shell go env GOPATH)/bin v1.42.1
 
+# Fetches the latest plantuml.jar and checks its SHA256 hash
+plantuml.jar:
+	curl -sSfL https://github.com/plantuml/plantuml/releases/download/v1.2024.3/plantuml.jar -o plantuml.jar \
+	&& echo "519a4a7284c6a0357c369e4bb0caf72c4bfbbde851b8c6d6bbdb7af3c01fc82f plantuml.jar" | sha256sum -c
+
+# Generate UML diagrams diagral.png & diagram.svg
+.PHONY: uml
+uml: plantuml.jar
+	goplantuml -recursive . > diagram.puml
+	java -jar plantuml.jar -tpng diagram.puml
+	java -jar plantuml.jar -tsvg diagram.puml
+
 # Convenience target to install just (requires sudo privileges)
 install-just:
 	@echo "Installing just"