[TOOLS][DOCKER] Further fixes in the docker environment and fixed the install script

docker/db/wait_for_db.sh

@@ -5,7 +5,7 @@ case $DBMS in
         CMD="mysqladmin ping --silent -hdb -uroot -p${MYSQL_ROOT_PASSWORD}"
         ;;
     "postgres")
-        CMD="pg_isready -hdb -q"
+        CMD="pg_isready -hdb -q -Upostgres"
         ;;
     *)
         exit 1

docker/php/Dockerfile

@@ -11,3 +11,5 @@ RUN apk add --virtual .phpize-deps $PHPIZE_DEPS \
         && apk del .phpize-deps > /dev/null
 
 RUN docker-php-ext-install ${exts}
+
+WORKDIR /var/www/social

docker/social/install.sh

@@ -1,6 +1,11 @@
 #!/bin/sh
 
-if [ ! -e /var/www/social/config.php ]; then
+PGPASSWORD="${POSTGRES_PASSWORD}" psql -ltq -Upostgres -hdb | \
+    cut -d '|' -f1 | grep -wq "${SOCIAL_DB}"
+
+if [ ! $? ]; then
+
+    echo ${SOCIAL_DB}
 
     echo -e "Installing GNU social\nInstalling composer dependencies"
 
@@ -8,13 +13,10 @@ if [ ! -e /var/www/social/config.php ]; then
 
     composer install
 
-    chmod g+w -R /var/www/social
+    chmod g+w -R .
-    chown -R :www-data /var/www/social
+    chown -R :www-data .
 
-    php /var/www/social/scripts/install_cli.php --server="${SOCIAL_DOMAIN}" --sitename="${SOCIAL_SITENAME}" \
+    php bin/console doctrine:database:create || exit 1
-        --host=db --fancy=yes --database="${SOCIAL_DB}" \
-        --username="${SOCIAL_USER}" --password="${SOCIAL_PASSWORD}" \
-        --admin-nick="${SOCIAL_ADMIN_NICK}" --admin-pass="${SOCIAL_ADMIN_PASSWORD}" || exit 1
 
     echo "GNU social is installed"
 fi