Update Dockerfile

Dockerfile

@@ -1,8 +1,5 @@
-# Use the base Docker image
-FROM circulartextapp/lastread
-
-# Set up a new user named "user" with user ID 1000
-RUN useradd -m -u 1000 user
+# Use a suitable base Docker image with necessary dependencies
+FROM circulartextapp/spaceread
 
 # Set the working directory to /app
 WORKDIR /app
@@ -10,9 +7,33 @@ WORKDIR /app
 # Copy the current directory contents into the container at /app
 COPY . /app
 
-# Switch to the "user" user
+# Define the user ID in the environment variable USER_ID
+ARG USER_ID
+ENV USER_ID=$USER_ID
+
+# Check if the user already exists
+RUN if id "$USER_ID" >/dev/null 2>&1; then \
+      echo "User with ID $USER_ID already exists."; \
+    else \
+      useradd -m -u "$USER_ID" user; \
+    fi
+
+# Set appropriate permissions for the application directory
+RUN chown -R user:user /app && chmod -R 755 /app
+
+# Install gosu (adjust the package manager based on your base image)
+RUN apk add --no-cache gosu
+
+# Set the entrypoint script as executable
+COPY entrypoint.sh /usr/local/bin/entrypoint.sh
+RUN chmod +x /usr/local/bin/entrypoint.sh
+
+# Switch to the user for improved security
 USER user
 
-# Example CMD (modify as needed)
+# Define the entrypoint script to handle user creation and application startup
+ENTRYPOINT ["/usr/local/bin/entrypoint.sh"]
+
+# Default command to run if the user doesn't provide a command
 CMD ["uvicorn", "app.main:app", "--host", "0.0.0.0", "--port", "7860"]