🐛 fix(Makefile): use lowercase GitHub username for Docker image tags and pushes

Author: w7years

Makefile

@@ -5,6 +5,7 @@
 PROJECT_NAME := ai-api-proxy
 VERSION ?= v0.0.1
 GITHUB_USERNAME ?= wangweix
+GITHUB_USERNAME_LOWER := $(shell echo $(GITHUB_USERNAME) | tr '[:upper:]' '[:lower:]')
 
 BASE_PATH := $(shell pwd)
 BUILD_PATH := $(BASE_PATH)/build
@@ -74,14 +75,14 @@ run: build
 docker:
 	@echo "Build Docker image..."
 	@docker build . --file Dockerfile \
-		--tag ghcr.io/$(GITHUB_USERNAME)/$(PROJECT_NAME):latest \
-		--tag ghcr.io/$(GITHUB_USERNAME)/$(PROJECT_NAME):$(VERSION)
+		--tag ghcr.io/$(GITHUB_USERNAME_LOWER)/$(PROJECT_NAME):latest \
+		--tag ghcr.io/$(GITHUB_USERNAME_LOWER)/$(PROJECT_NAME):$(VERSION)
 
 # Push Docker image to registry
 docker-push: docker
 	@echo "Push Docker image to GitHub Container Registry..."
-	@docker push ghcr.io/$(GITHUB_USERNAME)/$(PROJECT_NAME):latest
-	@docker push ghcr.io/$(GITHUB_USERNAME)/$(PROJECT_NAME):$(VERSION)
+	@docker push ghcr.io/$(GITHUB_USERNAME_LOWER)/$(PROJECT_NAME):latest
+	@docker push ghcr.io/$(GITHUB_USERNAME_LOWER)/$(PROJECT_NAME):$(VERSION)
 
 # Display help information
 help: