Remove release label that is not needed any more and provide usage

Author: hhorak

1.10/Dockerfile

@@ -27,7 +27,8 @@ LABEL summary="$SUMMARY" \
       com.redhat.component="rh-nginx110-docker" \
       name="centos/nginx-110-centos7" \
       version="1.10" \
-      release="1"
+      usage="s2i build https://github.com/sclorg/nginx-container.git --context-dir=examples/1.10/test-app/ centos/nginx-110-centos7 sample-app" \
+      maintainer="SoftwareCollections.org <[email protected]>"
 
 ENV NGINX_CONFIGURATION_PATH=${APP_ROOT}/etc/nginx.d \
     NGINX_DEFAULT_CONF_PATH=${APP_ROOT}/etc/nginx.default.d \

1.10/Dockerfile.rhel7

@@ -27,7 +27,8 @@ LABEL summary="$SUMMARY" \
       com.redhat.component="rh-nginx110-docker" \
       name="rhscl/nginx-110-rhel7" \
       version="1.10" \
-      release="1.2"
+      usage="s2i build https://github.com/sclorg/nginx-container.git --context-dir=examples/1.10/test-app/ rhscl/nginx-110-rhel7 sample-app" \
+      maintainer="SoftwareCollections.org <[email protected]>"
 
 ENV NGINX_CONFIGURATION_PATH=${APP_ROOT}/etc/nginx.d \
     NGINX_DEFAULT_CONF_PATH=${APP_ROOT}/etc/nginx.default.d \

1.12/Dockerfile

@@ -26,7 +26,9 @@ LABEL summary="$SUMMARY" \
       io.openshift.tags="builder,nginx,rh-nginx112" \
       com.redhat.component="rh-nginx112-docker" \
       name="centos/nginx-112-centos7" \
-      version="1"
+      version="1" \
+      usage="s2i build https://github.com/sclorg/nginx-container.git --context-dir=examples/1.12/test-app/ centos/nginx-112-centos7 sample-app" \
+      maintainer="SoftwareCollections.org <[email protected]>"
 
 ENV NGINX_CONFIGURATION_PATH=${APP_ROOT}/etc/nginx.d \
     NGINX_DEFAULT_CONF_PATH=${APP_ROOT}/etc/nginx.default.d \

1.12/Dockerfile.rhel7

@@ -26,7 +26,8 @@ LABEL summary="$SUMMARY" \
       io.openshift.tags="builder,nginx,rh-nginx112" \
       com.redhat.component="rh-nginx112-docker" \
       name="rhscl/nginx-112-rhel7" \
-      version="1"
+      usage="s2i build https://github.com/sclorg/nginx-container.git --context-dir=examples/1.12/test-app/ rhscl/nginx-112-rhel7 sample-app" \
+      maintainer="SoftwareCollections.org <[email protected]>"
 
 ENV NGINX_CONFIGURATION_PATH=${APP_ROOT}/etc/nginx.d \
     NGINX_DEFAULT_CONF_PATH=${APP_ROOT}/etc/nginx.default.d \

1.8/Dockerfile

@@ -27,7 +27,8 @@ LABEL summary="$SUMMARY" \
       com.redhat.component="rh-nginx18-docker" \
       name="centos/nginx-18-centos7" \
       version="1.8" \
-      release="1"
+      usage="s2i build https://github.com/sclorg/nginx-container.git --context-dir=examples/1.8/test-app/ centos/nginx-18-centos7 sample-app" \
+      maintainer="SoftwareCollections.org <[email protected]>"
 
 ENV NGINX_CONFIGURATION_PATH=${APP_ROOT}/etc/nginx.d \
     NGINX_DEFAULT_CONF_PATH=${APP_ROOT}/etc/nginx.default.d \

1.8/Dockerfile.rhel7

@@ -27,7 +27,8 @@ LABEL summary="$SUMMARY" \
       com.redhat.component="rh-nginx18-docker" \
       name="rhscl/nginx-18-rhel7" \
       version="1.8" \
-      release="13.1"
+      usage="s2i build https://github.com/sclorg/nginx-container.git --context-dir=examples/1.8/test-app/ rhscl/nginx-18-rhel7 sample-app" \
+      maintainer="SoftwareCollections.org <[email protected]>"
 
 ENV NGINX_CONFIGURATION_PATH=${APP_ROOT}/etc/nginx.d \
     NGINX_DEFAULT_CONF_PATH=${APP_ROOT}/etc/nginx.default.d \