Refactor Dockerfile to remove non-root user setup and adjust health check configuration

Author: Vianney Veremme

Dockerfile

@@ -7,9 +7,6 @@ ENV TEMP_SQL_DIR=/temp-sql-files
 # Set the shell for safer execution
 SHELL ["/bin/bash", "-o", "pipefail", "-c"]
 
-# Create a non-root user and group
-RUN groupadd -r dbuser && useradd -r -g dbuser dbuser
-
 # Copy all files into a temporary location
 COPY . ${TEMP_SQL_DIR}/
 
@@ -20,16 +17,12 @@ RUN find "${TEMP_SQL_DIR:?}/" -type f -name "*.sql" | while read -r file; do \
     done && \
     rm -rf "${TEMP_SQL_DIR:?}/"
 
-# Set ownership and adjust permissions on the MySQL data directory
-RUN chown -R dbuser:dbuser /docker-entrypoint-initdb.d && \
-    chown -R dbuser:dbuser /var/lib/mysql /etc/mysql
-
 # Expose the default MariaDB port (3306)
 EXPOSE 3306
 
-# Switch to the new user
-USER dbuser
+# Switch to the mysql user
+USER mysql
 
 # Add health check for the container
-HEALTHCHECK --interval=1m --timeout=10s --start-period=30s --retries=3 \
-    CMD mysqladmin ping -h localhost || exit 1
+HEALTHCHECK --interval=10s --timeout=5s --start-period=30s --retries=3 \
+    CMD healthcheck.sh --connect --innodb_initialized || exit 1