Update Dockerfile

Dockerfile

@@ -1,38 +1,11 @@
-FROM ubuntu:20.04
+# Use the official MariaDB image from the Docker Hub
+FROM mariadb:latest
 
-# Set environment variables
-ENV DEBIAN_FRONTEND=noninteractive
+# Environment variables for MariaDB setup
+ENV MYSQL_ROOT_PASSWORD=rootpassword
+ENV MYSQL_DATABASE=moodledb
+ENV MYSQL_USER=moodleuser
+ENV MYSQL_PASSWORD=moodlepassword
 
-# Create a new user with ID 1000
-RUN useradd -m -u 1000 user
-
-# Install MariaDB and required tools
-RUN apt-get update && \
-    apt-get install -y mariadb-server mariadb-client && \
-    apt-get clean && \
-    rm -rf /var/lib/apt/lists/*
-
-# Switch to root user for initialization and setup
-USER root
-
-# Create necessary directories and set permissions
-RUN mkdir -p /var/lib/mysql /var/run/mysqld && \
-    chown -R mysql:mysql /var/lib/mysql /var/run/mysqld && \
-    chmod 755 /var/lib/mysql /var/run/mysqld
-
-# Copy custom my.cnf configuration file
-COPY my.cnf /etc/mysql/my.cnf
-
-# Initialize MariaDB database
-RUN service mysql start && \
-    mysql --user=root -e "CREATE DATABASE moodledb;" && \
-    mysqladmin --user=root shutdown
-
-# Switch to 'user' for running MariaDB
-USER user
-
-# Expose MariaDB port
+# Expose the MariaDB port
 EXPOSE 3306
-
-# Command to start MariaDB
-CMD ["mysqld_safe"]