add user to dockerfile

Dockerfile

@@ -1,5 +1,8 @@
 FROM rocker/shiny-verse:latest
 
+# Create a non-root user to run the application
+RUN adduser --disabled-password --gecos "" appuser
+
 WORKDIR /code
 
 # Install stable packages from CRAN
@@ -13,10 +16,10 @@ RUN install2.r --error \
 
 COPY . .
 
-# Create a script that reads the secret and exports it as an environment variable
-RUN echo '#!/bin/sh' >> start.sh && \
-    echo 'export OPENAI_API_KEY=$(cat /run/secrets/openai_api_key)' >> start.sh && \
-    echo 'R --quiet -e "shiny::runApp(host='\''0.0.0.0'\'', port=7860)"' >> start.sh && \
-    chmod +x start.sh
+# Change the ownership of the /code directory to appuser
+RUN chown -R appuser:appuser /code
+
+# Switch to the appuser user
+USER appuser
 
-CMD ["./start.sh"]
+CMD ["R", "--quiet", "-e", "shiny::runApp(host='0.0.0.0', port=7860)"]

app.R

@@ -6,8 +6,6 @@ library(glue)
 
 source("helper.R")
 
-cat("API Key", Sys.getenv("OPENAI_API_KEY"))
-
 ui <- page_sidebar(
   title = "Chatbot with R & OpenAI",
   theme = bs_theme(bootswatch = "vapor"),