move reload.sh to a separate file

Author: tifayuki

Dockerfile

@@ -8,16 +8,13 @@ RUN echo 'deb http://ppa.launchpad.net/vbernat/haproxy-1.5/ubuntu trusty main' >
     apt-get update && \
     apt-get install -y --no-install-recommends haproxy python-pip && \
     apt-get clean && \
-    rm -rf /var/lib/apt/lists/* && \
-    echo '#!/bin/sh' > /reload.sh && \
-    echo 'kill -USR1 $(cat /tmp/dockercloud-haproxy.pid)' >> /reload.sh && \
-    chmod +x /reload.sh
+    rm -rf /var/lib/apt/lists/*
 
+COPY reload.sh /reload.sh
 COPY . haproxy-src/
 RUN cd /haproxy-src/ && \
     pip install .
 
-
 ENV RSYSLOG_DESTINATION=127.0.0.1 \
     MODE=http \
     BALANCE=roundrobin \

reload.sh

@@ -0,0 +1,2 @@
+#!/bin/sh
+kill -USR1 $(cat /tmp/dockercloud-haproxy.pid)