Update Dockerfile

Dockerfile

@@ -25,12 +25,11 @@ RUN bash -c "$(curl -fsSL https://raw.githubusercontent.com/Linuxbrew/install/ma
 USER root
 ENV PATH="/home/linuxbrew/.linuxbrew/bin:${PATH}"
 
-RUN useradd -s /bin/bash -m -u 1000 user
 
-USER user
+USER linuxbrew
 
-ENV HOME=/home/user \
-	PATH=/home/user/.local/bin:$PATH
+ENV HOME=/home/linuxbrew \
+	PATH=/home/linuxbrew/.local/bin:$PATH
 
 WORKDIR $HOME/app