wordpress-app-alt2/start.sh

#!/bin/bash

set -eux

if [[ -z "$(ls -A /app/data)" ]]; then
    echo "Copying wp-content files on first run"
    mv /app/code/wp-content /app/data/wp-content/
fi

[[ ! -L "/app/code/wp-content" ]] && rm -rf /app/code/wp-content # upgrades & updates - starting out with existing data

ln -sf /app/data/wp-content /app/code/wp-content

: ${MYSQL_URL:=}
if [[ -z "${MYSQL_URL}" ]]; then
    echo "MYSQL_URL is empty"
    exit 1
fi

proto="$(echo "${MYSQL_URL}" | sed -e's,^\(.*://\).*,\1,g')"
url="$(echo ${MYSQL_URL/$proto/})"
username="$(echo ${url} | cut -d: -f1)"
password=$(echo ${url/$username:/} | cut -d@ -f1)
host="$(echo ${url/$username:$password@/} | cut -d/ -f1)"
db="$(echo ${url} | grep / | cut -d/ -f2-)"

sed -e "s/define('DB_NAME',.*/define('DB_NAME', '${db}');/" \
    -e "s/define('DB_USER',.*/define('DB_USER', '${username}');/" \
    -e "s/define('DB_PASSWORD',.*/define('DB_PASSWORD', '${password}');/" \
    -e "s/define('DB_HOST',.*/define('DB_HOST', '${host}');/" \
    /app/configs/wp-config.php.template > /app/code/wp-config.php

/usr/bin/supervisord --configuration /etc/supervisor/supervisord.conf --nodaemon -i WordPress