Make timezone configurable through env variable (#853)

Dockerfile

@@ -7,7 +7,7 @@ RUN apt-get update && DEBIAN_FRONTEND=noninteractive apt-get install -y \
 
 RUN a2enmod rewrite
 RUN docker-php-ext-install mysql mysqli bcmath intl gd sockets
-RUN echo "date.timezone = \"UTC\"" > /usr/local/etc/php/conf.d/timezone.ini
+RUN echo "date.timezone = \"\${PHP_TIMEZONE}\"" > /usr/local/etc/php/conf.d/timezone.ini
 
 WORKDIR /app
 COPY . /app

docker-cloud.yml

@@ -11,6 +11,7 @@ web:
     volumes:
         - /app/uploads
     environment:
+        - PHP_TIMEZONE=UTC
         - MYSQL_USERNAME=admin
         - MYSQL_PASSWORD=pointofsale
         - MYSQL_DB_NAME=ospos

docker-compose.yml

@@ -20,6 +20,7 @@ services:
         volumes:
             - uploads:/app/uploads
         environment:
+            - PHP_TIMEZONE=UTC
             - MYSQL_USERNAME=admin
             - MYSQL_PASSWORD=pointofsale
             - MYSQL_DB_NAME=ospos