Update Dockerfile

Dockerfile

@@ -1,13 +1,27 @@
 FROM node:18
 
-WORKDIR /app
+# Set up a new user named "user" with user ID 1000
+RUN useradd -o -u 1000 user
 
-COPY package*.json ./
+# Switch to the "user" user
+USER user
+
+# Set home to the user's home directory
+ENV HOME=/home/user \
+	PATH=/home/user/.local/bin:$PATH
+
+# Set the working directory to the user's home directory
+WORKDIR $HOME/app
+
+# Install app dependencies
+# A wildcard is used to ensure both package.json AND package-lock.json are copied
+# where available (npm@5+)
+COPY --chown=user package*.json $HOME/app
 
 RUN npm install
 
-COPY . .
+# Copy the current directory contents into the container at $HOME/app setting the owner to the user
+COPY --chown=user . $HOME/app
 
 EXPOSE 7860
-
-CMD [ "npm", "start" ]
+CMD [ "npm", "run", "start" ]