build: make NEXT_PUBLIC_BASE_PATH env variable optional in Docker configuration

Author: KevenLi8888

Dockerfile

@@ -14,7 +14,7 @@ COPY --from=deps /app/node_modules ./node_modules
 COPY . .
 
 # Set environment variables
-ARG NEXT_PUBLIC_BASE_PATH
+ARG NEXT_PUBLIC_BASE_PATH=""
 ENV NEXT_PUBLIC_BASE_PATH=$NEXT_PUBLIC_BASE_PATH
 
 ENV NEXT_TELEMETRY_DISABLED 1

docker-compose.yml

@@ -6,7 +6,7 @@ services:
     build:
       context: .
       args:
-        - NEXT_PUBLIC_BASE_PATH: ${NEXT_PUBLIC_BASE_PATH}
+        NEXT_PUBLIC_BASE_PATH: ${NEXT_PUBLIC_BASE_PATH:-}
     ports:
       - '3000:3000'
     image: string-is