[FIX]Odoobackup default can not be used with envsubst

odoo/backups/backup.template

@@ -1,3 +1,3 @@
 #!/bin/bash
 
-python backup.py -oh ${ODOO_HOST:=odoo} -pw ${ODOO_ADMIN_PASSWORD} -D backups/ -n ${ODOO_DATABASES}
+python backup.py -oh ${ODOO_HOST} -pw ${ODOO_ADMIN_PASSWORD} -D backups/ -n ${ODOO_DATABASES}

odoo/base.yml

@@ -54,3 +54,7 @@ services:
     build:
       context: ./backups
     image: registry.yaltik.net/odoobackup:yaltik
+    environment:
+      ODOO_HOST: odoo
+      ODOO_ADMIN_PASSWORD: admin
+      ODOO_DATABASES: base

python/Dockerfile

@@ -0,0 +1,10 @@
+FROM debian:jessie
+MAINTAINER Yaltik - Fabien Bourgeois <fabien@yaltik.com>
+
+RUN apt-get update && apt-get install -y --no-install-recommends python2.7-minimal python-pip ipython
+# Packages cleanup
+RUN apt-get purge -y --auto-remove && apt-get clean
+RUN useradd fabien -m -s /bin/bash
+USER fabien
+WORKDIR /home/fabien
+CMD /bin/true