add suport for .env files

Author: jpahullo

bin/moodle-docker-compose

@@ -1,18 +1,6 @@
 #!/usr/bin/env bash
 set -e
 
-if [ ! -d "$MOODLE_DOCKER_WWWROOT" ];
-then
-    echo 'Error: $MOODLE_DOCKER_WWWROOT is not set or not an existing directory'
-    exit 1
-fi
-
-if [ -z "$MOODLE_DOCKER_DB" ];
-then
-    echo 'Error: $MOODLE_DOCKER_DB is not set'
-    exit 1
-fi
-
 # Nasty portable way to the directory of this script, following symlink,
 # because readlink -f not on OSX. Thanks stack overflow..
 SOURCE="${BASH_SOURCE[0]}"
@@ -24,6 +12,22 @@ done
 basedir="$( cd -P "$( dirname "$SOURCE" )/../" && pwd )"
 export ASSETDIR="${basedir}/assets"
 
+if [ -f "${basedir}/.env" ];
+then
+  . "${basedir}/.env"
+fi
+
+if [ ! -d "$MOODLE_DOCKER_WWWROOT" ];
+then
+    echo 'Error: $MOODLE_DOCKER_WWWROOT is not set or not an existing directory'
+    exit 1
+fi
+
+if [ -z "$MOODLE_DOCKER_DB" ];
+then
+    echo 'Error: $MOODLE_DOCKER_DB is not set'
+    exit 1
+fi
 
 dockercompose="docker-compose -f ${basedir}/base.yml"
 dockercompose="${dockercompose} -f ${basedir}/service.mail.yml"
@@ -35,7 +39,6 @@ export MOODLE_DOCKER_PHP_VERSION=${MOODLE_DOCKER_PHP_VERSION:-7.1}
 if [ "$MOODLE_DOCKER_DB" != 'pgsql' ];
 then
     dockercompose="${dockercompose} -f ${basedir}/db.${MOODLE_DOCKER_DB}.yml"
-
 fi
 
 # Support PHP version overrides for DB..
@@ -74,12 +77,10 @@ then
     dockercompose="${dockercompose} -f ${basedir}/webserver.port.yml"
 fi
 
-
 # Mac OS Compatbility
 if [[ "$(uname)" == "Darwin" ]]; then
     # Support https://docs.docker.com/docker-for-mac/osxfs-caching/
     dockercompose="${dockercompose} -f ${basedir}/volumes-cached.yml"
 fi
 
-
 $dockercompose $@