Fixed config file path

Dockerfile

@@ -5,7 +5,8 @@ COPY i42/ /i42
 
 RUN yum install -y https://centos7.iuscommunity.org/ius-release.rpm \
 && yum install -y python36u python36u-devel python36u-pip \
-&& pip3.6 install yacron \
-&& pip3.6 install -r /i42/requirements.txt
+&& ln -s /usr/bin/python3.6 /usr/bin/python3 && ln -s /usr/bin/pip3.6 /usr/bin/pip3 \
+&& pip3 install yacron \
+&& pip3 install -r /i42/requirements.txt 
 
 CMD ["yacron", "-c", "i42/yacron.yaml"]

i42/modules/config.py

 import configparser
 import logging
+import os, sys
 
 
 class Config:
@@ -11,7 +12,7 @@ class Config:
         if args.config is not None:
             config.read(args.config)
         else:
-            config.read('config.ini')
+            config.read(os.path.dirname(sys.argv[0]) + '/config.ini')
 
         # Arguments have higher precedence, if not set, config will decide
         if args.ipv4_only is True: