add db/startupservice.sh to initialize db

Author: amandayclee

db/Dockerfile

@@ -30,7 +30,11 @@ RUN mkdir -p /run/sshd
 
 # Expose SSH port
 EXPOSE 22
+EXPOSE 3306
 
-# Start SSH service
-CMD ["/usr/sbin/sshd", "-D"]
+# Add mariadb service startup script
+COPY ./db/startupservice.sh /startupservice.sh
+RUN chmod +x /startupservice.sh
 
+ENTRYPOINT ["/startupservice.sh"]
+CMD ["mariadbd"]

db/startupservice.sh

@@ -0,0 +1,15 @@
+#!/bin/bash
+set -o errexit
+set -o nounset
+
+# https://en.wikipedia.org/wiki/ANSI_escape_code
+E0="$(printf "\e[0m")"        # reset
+E1="$(printf "\e[1m")"        # bold
+
+echo "${E1}Starting mariadb: http://127.0.0.1:3306${E0}"
+
+# Start mariadb in the background
+docker-entrypoint.sh "$@"
+
+# Start SSH service
+/usr/sbin/sshd -D