Update Dockerfile

Dockerfile

@@ -6,8 +6,6 @@ EXPOSE 25
 
 VOLUME ["/var/log", "/var/spool/postfix"]
 
-RUN useradd postfix --gid 0 --uid 1001
-
 RUN rpm --import /etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-7 && \
     yum updateinfo -y && \
     yum update -y glibc && \
@@ -17,6 +15,15 @@ RUN rpm --import /etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-7 && \
     yum clean all
 
 
+RUN chmod -Rf g+w /etc/postfix && \
+    chmod -Rf g+w /var/log && \
+    chmod -Rf g+w /var/spool/postfix && \
+    chmod -Rf g+w /dev/log && \
+   # chmod -Rf g+w /etc/aliases.db && \
+    chmod -Rf g+w /etc/aliases
+
+
+
 RUN curl https://bootstrap.pypa.io/get-pip.py | python3.4 && \
     pip3 install chaperone