Use chown(8) only once.

It's possible to pass multiple files to chown utility, so run it
only once to make changes.

build/Dockerfile

@@ -16,8 +16,8 @@ RUN mkdir -p /var/lib/nginx \
 	&& setcap 'cap_net_bind_service=+ep' /usr/sbin/nginx \
 	&& setcap 'cap_net_bind_service=+ep' /usr/sbin/nginx-debug \
 	&& chown -R nginx:0 /etc/nginx \
-	&& chown -R nginx:0 /var/cache/nginx \
-	&& chown -R nginx:0 /var/lib/nginx \
+	                    /var/cache/nginx \
+	                    /var/lib/nginx \
 	&& apt-get remove --purge -y libcap2-bin \
 	&& rm /etc/nginx/conf.d/* \
 	&& rm -rf /var/lib/apt/lists/*

build/DockerfileForAlpine

@@ -15,8 +15,8 @@ RUN mkdir -p /etc/nginx/secrets \
 	&& setcap 'cap_net_bind_service=+ep' /usr/sbin/nginx \
 	&& setcap 'cap_net_bind_service=+ep' /usr/sbin/nginx-debug \
 	&& chown -R nginx:0 /etc/nginx \
-	&& chown -R nginx:0 /var/cache/nginx \
-	&& chown -R nginx:0 /var/lib/nginx \
+	                    /var/cache/nginx \
+	                    /var/lib/nginx \
 	&& apk del libcap \
 	&& rm /etc/nginx/conf.d/* \
 	&& rm -rf /var/cache/apk/*

build/DockerfileForPlus

@@ -55,8 +55,8 @@ RUN mkdir -p /var/lib/nginx \
 	&& mkdir -p /etc/nginx/secrets \
 	&& mkdir -p /etc/nginx/stream-conf.d \
 	&& chown -R nginx:0 /etc/nginx \
-	&& chown -R nginx:0 /var/cache/nginx \
-	&& chown -R nginx:0 /var/lib/nginx/ \
+	                    /var/cache/nginx \
+	                    /var/lib/nginx/ \
 	&& apt-get remove --purge -y libcap2-bin \
 	&& rm /etc/nginx/conf.d/*
 

build/DockerfileWithOpentracing

@@ -82,8 +82,8 @@ RUN mkdir -p /var/lib/nginx \
 	&& setcap 'cap_net_bind_service=+ep' /usr/sbin/nginx \
 	&& setcap 'cap_net_bind_service=+ep' /usr/sbin/nginx-debug \
 	&& chown -R nginx:0 /etc/nginx \
-	&& chown -R nginx:0 /var/cache/nginx \
-	&& chown -R nginx:0 /var/lib/nginx \
+	                    /var/cache/nginx \
+	                    /var/lib/nginx \
 	&& apt-get remove --purge -y libcap2-bin \
 	&& rm /etc/nginx/conf.d/* \
 	&& rm -rf /var/lib/apt/lists/*

build/DockerfileWithOpentracingForPlus

@@ -71,8 +71,8 @@ RUN mkdir -p /var/lib/nginx \
 	&& mkdir -p /etc/nginx/secrets \
 	&& mkdir -p /etc/nginx/stream-conf.d \
 	&& chown -R nginx:0 /etc/nginx \
-	&& chown -R nginx:0 /var/cache/nginx \
-	&& chown -R nginx:0 /var/lib/nginx/ \
+	                    /var/cache/nginx \
+	                    /var/lib/nginx/ \
 	&& apt-get remove --purge -y libcap2-bin \
 	&& rm /etc/nginx/conf.d/*
 

build/appprotect/DockerfileWithAppProtectForPlus

@@ -83,13 +83,13 @@ RUN  mkdir -p /var/lib/nginx \
 	&& mkdir -p /var/log/app_protect \
 	&& mkdir -p /opt/app_protect \
 	&& chown -R nginx:0 /etc/app_protect \
-	&& chown -R nginx:0 /usr/share/ts \
-	&& chown -R nginx:0 /etc/nginx \
-	&& chown -R nginx:0 /var/cache/nginx \
-	&& chown -R nginx:0 /var/lib/nginx/ \
-	&& chown -R nginx:0 /var/log/app_protect/ \
-	&& chown -R nginx:0 /opt/app_protect/ \
-	&& chown -R nginx:0 /var/log/nginx/ \
+	                    /usr/share/ts \
+	                    /etc/nginx \
+	                    /var/cache/nginx \
+	                    /var/lib/nginx/ \
+	                    /var/log/app_protect/ \
+	                    /opt/app_protect/ \
+	                    /var/log/nginx/ \
 	&& apt-get remove --purge -y libcap2-bin \
 	&& rm /etc/nginx/conf.d/*
 

build/appprotect/DockerfileWithAppProtectForPlusForOpenShift

@@ -83,13 +83,13 @@ RUN  mkdir -p /var/lib/nginx \
 	&& mkdir -p /var/log/app_protect \
 	&& mkdir -p /opt/app_protect \
 	&& chown -R nginx:0 /etc/app_protect \
-	&& chown -R nginx:0 /usr/share/ts \
-	&& chown -R nginx:0 /etc/nginx \
-	&& chown -R nginx:0 /var/cache/nginx \
-	&& chown -R nginx:0 /var/lib/nginx/ \
-	&& chown -R nginx:0 /var/log/app_protect/ \
-	&& chown -R nginx:0 /opt/app_protect/ \
-	&& chown -R nginx:0 /var/log/nginx/ \
+	                    /etc/nginx \
+	                    /opt/app_protect/ \
+	                    /usr/share/ts \
+	                    /var/cache/nginx \
+	                    /var/lib/nginx/ \
+	                    /var/log/app_protect/ \
+	                    /var/log/nginx/ \
 	&& rm /etc/nginx/conf.d/*
 
 RUN printf "MODULE = ALL;\nLOG_LEVEL = TS_CRIT;\nFILE = 2;\n" > /etc/app_protect/bd/logger.cfg \

build/openshift/Dockerfile

@@ -27,8 +27,8 @@ RUN set -x \
 	&& setcap 'cap_net_bind_service=+ep' /usr/sbin/nginx \
 	&& setcap 'cap_net_bind_service=+ep' /usr/sbin/nginx-debug \
 	&& chown -R nginx:0 /etc/nginx \
-	&& chown -R nginx:0 /var/cache/nginx \
-	&& chown -R nginx:0 /var/lib/nginx \
+	                    /var/cache/nginx \
+	                    /var/lib/nginx \
 	&& rm /etc/yum.repos.d/nginx.repo \
 	&& rm /etc/nginx/conf.d/*
 

build/openshift/DockerfileForPlus

@@ -62,8 +62,8 @@ RUN mkdir -p /var/lib/nginx \
 	&& mkdir -p /etc/nginx/secrets \
 	&& mkdir -p /etc/nginx/stream-conf.d \
 	&& chown -R nginx:0 /etc/nginx \
-	&& chown -R nginx:0 /var/cache/nginx \
-	&& chown -R nginx:0 /var/lib/nginx/ \
+	                    /var/cache/nginx \
+	                    /var/lib/nginx/ \
 	&& rm /etc/nginx/conf.d/*
 
 EXPOSE 80 443