diff --git a/build.libsonnet b/build.libsonnet
new file mode 100644
index 0000000..f3f2b04
--- /dev/null
+++ b/build.libsonnet
@@ -0,0 +1,61 @@
+local build = import 'lib/build.libsonnet';
+local images = import 'lib/images.libsonnet';
+local environment = import 'lib/node_modules/@sigyl/jsonnet-drone-environment/environment.libsonnet';
+local compose = import 'lib/node_modules/@sigyl/jsonnet-compose/compose.libsonnet';
+local util = import 'lib/util.libsonnet';
+local login = import 'lib/login.libsonnet';
+
+
+function(config)
+  function(
+    buildSecrets,
+  )
+    {
+      kind: 'pipeline',
+      type: 'docker',
+      name: 'build',
+      clone: {
+        disable: false,
+        depth: 0,
+      },
+      services: [
+        images(config).docker {
+          privileged: true,
+          volumes: [
+            {
+              name: 'dockersock',
+              path: '/var/run',
+            },
+            {
+              name: 'ca',
+              path: '/etc/docker/certs.d',
+            },
+            {
+              name: 'daemonjson',
+              path: '/etc/docker/daemon.json',
+            },
+          ],
+        },
+      ],
+      volumes: [
+        {
+          name: 'dockersock',
+          temp: {},
+        },
+        {
+          name: 'ca',
+          host: {
+            path: '/etc/docker/certs.d',
+          },
+        },
+        {
+          name: 'daemonjson',
+          host: {
+            path: '/etc/docker/daemon.json',
+          },
+        },
+      ],
+      steps:[
+        build(config)(buildSecrets),
+      ],
+    }
diff --git a/deploy.libsonnet b/deploy.libsonnet
index a37a68d..0b44d21 100644
--- a/deploy.libsonnet
+++ b/deploy.libsonnet
@@ -3,12 +3,11 @@ local images = import 'lib/images.libsonnet';
 local environment = import 'lib/node_modules/@sigyl/jsonnet-drone-environment/environment.libsonnet';
 local compose = import 'lib/node_modules/@sigyl/jsonnet-compose/compose.libsonnet';
 local util = import 'lib/util.libsonnet';
+local login = import 'lib/login.libsonnet';
 
 
 function(config)
   function(
-    name,
-    root,
     buildSecrets,
     publicSecrets,
     secretSecrets,
@@ -22,68 +21,10 @@ function(config)
         disable: false,
         depth: 0,
       },
-      services: [
-        images(config).docker {
-          privileged: true,
-          volumes: [
-            {
-              name: 'dockersock',
-              path: '/var/run',
-            },
-            {
-              name: 'ca',
-              path: '/etc/docker/certs.d',
-            },
-            {
-              name: 'daemonjson',
-              path: '/etc/docker/daemon.json',
-            },
-          ],
-        },
-      ],
-      volumes: [
-        {
-          name: 'dockersock',
-          temp: {},
-        },
-        {
-          name: 'ca',
-          host: {
-            path: '/etc/docker/certs.d',
-          },
-        },
-        {
-          name: 'daemonjson',
-          host: {
-            path: '/etc/docker/daemon.json',
-          },
-        },
-      ],
       steps:[
-        compose(
-          std.map(
-            function(secret) util.printEnv('env-%s' % name, secret),
-            buildSecrets +
-            publicSecrets +
-            secretSecrets
-          )
-        )
-        (
-          images(config).ssh {
-            settings +: {
-              script +: [
-                'rm -f env-%s' % name,
-              ],
-            },
-          },
-        ) {
-          name: 'print env',
-        },
         images(config).scp(
-          '%(root)s%(name)s' % { root: root, name: name }
+          '/%(root)s/%(name)s' % config
         ),
-        images(config).wait(15),
-        build(config)(buildSecrets),
         compose(
           std.map(
             function(secret) environment.envSet(secret),
@@ -107,8 +48,10 @@ function(config)
               ) + 
               [
                 'set -e',
-                'cd %(root)s%(name)s' % { root: root, name: name },
-                'sh .drone/login.sh',
+                'export NAME=%s' % config.name,
+                'export ROOT=%s' % config.root,
+                'cd /%(root)s/%(name)s' % config,
+                login,
                 'sh .drone/pull.sh',
                 'sh .drone/deploy.sh',
               ]
@@ -116,4 +59,13 @@ function(config)
           },
         ),
       ],
-    }
+    } {
+    trigger +: {
+      event +: [
+        'promote',
+      ],
+      target +: [
+        'deploy',
+      ],
+    },
+  }
diff --git a/lib/build.libsonnet b/lib/build.libsonnet
index 23b62a3..e396aa3 100644
--- a/lib/build.libsonnet
+++ b/lib/build.libsonnet
@@ -1,5 +1,6 @@
 local images = import 'images.libsonnet';
 local environment = import 'node_modules/@sigyl/jsonnet-drone-environment/environment.libsonnet';
+local login = import 'login.libsonnet';
 
 function(config)
   function(secrets)
@@ -14,9 +15,10 @@ function(config)
       ],
       commands: [
         'set -e',
-        'sh .drone/login.sh',
+        'export NAME=%s' % config.name,
+        'export ROOT=%s' % config.root,
+        login,
         'sh .drone/build.sh',
         'sh .drone/push.sh',
-        'sh .drone/logout.sh',
       ],
     }
\ No newline at end of file
diff --git a/lib/login.libsonnet b/lib/login.libsonnet
new file mode 100644
index 0000000..8a7a8ce
--- /dev/null
+++ b/lib/login.libsonnet
@@ -0,0 +1,15 @@
+|||
+  n=0
+  while :
+  do
+    docker login $${REGISTRY_DOMAIN}:$${REGISTRY_PORT}/ --username client --password "$${REGISTRY_PASSWORD}" \\
+      && break  # substitute your command here
+    n=$((n+1))
+        if [ $n -ge 10 ]; then
+        echo "login failed"
+        exit 1
+    fi
+    echo "retrying login..$n"
+    sleep 5
+  done
+|||
diff --git a/print.libsonnet b/print.libsonnet
new file mode 100644
index 0000000..7fc5cb4
--- /dev/null
+++ b/print.libsonnet
@@ -0,0 +1,53 @@
+local build = import 'lib/build.libsonnet';
+local images = import 'lib/images.libsonnet';
+local environment = import 'lib/node_modules/@sigyl/jsonnet-drone-environment/environment.libsonnet';
+local compose = import 'lib/node_modules/@sigyl/jsonnet-compose/compose.libsonnet';
+local util = import 'lib/util.libsonnet';
+local login = import 'lib/login.libsonnet';
+
+
+function(config)
+  function(
+    buildSecrets,
+    publicSecrets,
+    secretSecrets,
+  )
+    {
+      kind: 'pipeline',
+      type: 'docker',
+      name: 'print',
+      clone: {
+        disable: false,
+        depth: 0,
+      },
+      steps:[
+        compose(
+          std.map(
+            function(secret) util.printEnv('env-%s' % config.name, secret),
+            buildSecrets +
+            publicSecrets +
+            secretSecrets
+          )
+        )
+        (
+          images(config).ssh {
+            settings +: {
+              script +: [
+                'rm -f env-%s' % config.name,
+              ],
+            },
+          },
+        ) {
+          name: 'print env',
+        },
+      ],
+    } {
+    trigger +: {
+      event +: [
+        'promote',
+      ],
+      target +: [
+        'print',
+      ],
+    },
+  }
diff --git a/registry.libsonnet b/registry.libsonnet
index b96198d..dde3217 100644
--- a/registry.libsonnet
+++ b/registry.libsonnet
@@ -3,6 +3,7 @@ local images = import 'lib/images.libsonnet';
 local environment = import 'lib/node_modules/@sigyl/jsonnet-drone-environment/environment.libsonnet';
 local compose = import 'lib/node_modules/@sigyl/jsonnet-compose/compose.libsonnet';
 local util = import 'lib/util.libsonnet';
+local login = import 'lib/login.libsonnet';
 
 function(config)
   {
@@ -10,8 +11,7 @@ function(config)
     type: 'docker',
     name: 'registry',
     clone: {
-      disable: false,
-      depth: 0,
+      disable: true,
     },
     services: [
       images(config).docker {
@@ -50,9 +50,10 @@ function(config)
         },
       },
     ],
-    steps:[
-      images(config).docker {
-          name +: 'pull and save docker images:',
+    steps:
+      std.map(
+        function(def) images(config).docker {
+          name: def.load,
           environment +: environment
             .environmentSecrets(config.secrets),
           volumes: [
@@ -63,12 +64,37 @@ function(config)
           ],
           commands: [
             'set -e',
-            'export REGISTRY=$${REGISTRY_DOMAIN}:$${REGISTRY_PORT}/',
-            '%(script)s $${REGISTRY} "$${REGISTRY_PASSWORD}"' % config,
+            login,
+            |||
+              n=0
+              while :
+              do
+                docker pull %(load)s \\
+                  && docker tag %(load)s $${REGISTRY_DOMAIN}:$${REGISTRY_PORT}/%(root)s/%(name)s/%(save)s \\
+                  && docker push $${REGISTRY_DOMAIN}:$${REGISTRY_PORT}/%(root)s/%(name)s/%(save)s && break
+                n=$((n+1))
+                    if [ $n -ge 10 ]; then
+                    echo "initialise failed"
+                    exit 1
+                fi
+                echo "retrying..$n"
+                sleep 5
+              done
+            ||| % (config + def),
           ],
         },
-    ],
+        config.images,
+      ),
     image_pull_secrets: [
       'dockerconfigjson'
     ]
+  } {
+    trigger +: {
+      event +: [
+        'promote',
+      ],
+      target +: [
+        'registry',
+      ],
+    },
   }
diff --git a/save.libsonnet b/save.libsonnet
new file mode 100644
index 0000000..bd274d9
--- /dev/null
+++ b/save.libsonnet
@@ -0,0 +1,119 @@
+local build = import 'lib/build.libsonnet';
+local images = import 'lib/images.libsonnet';
+local environment = import 'lib/node_modules/@sigyl/jsonnet-drone-environment/environment.libsonnet';
+local compose = import 'lib/node_modules/@sigyl/jsonnet-compose/compose.libsonnet';
+local util = import 'lib/util.libsonnet';
+local login = import 'lib/login.libsonnet';
+
+
+function(config)
+  function(
+    defs,
+    builtDefs,
+  )
+    {
+      kind: 'pipeline',
+      type: 'docker',
+      name: 'save',
+      clone: {
+        disable: true,
+      },
+      steps: [
+        images(config).ssh {
+          settings +: {
+            script +: [
+              'mkdir -p /%(root)s/.images/%(name)s/built' % config,
+              'rm -f /%(root)s/.images/%(name)s/*.*' % config,
+              'rm -f /%(root)s/.images/%(name)s/built/*.*' % config,
+            ],
+          },
+        }
+        {
+          name: 'mkdir',
+        },
+      ] +
+        std.map(
+          function(def)
+            images(config).ssh {
+              settings +: {
+                envs +: [
+                  'registry_domain',
+                  'registry_port',
+                  'registry_password',
+                ],
+                script +: [
+                  login,
+                  'docker pull $${REGISTRY_DOMAIN}:$${REGISTRY_PORT}/%(root)s/%(name)s/%(save)s' % (config + def),
+                  'docker save $${REGISTRY_DOMAIN}:$${REGISTRY_PORT}/%(root)s/%(name)s/%(save)s -o /%(root)s/.images/%(name)s/%(out)s.tar' % (
+                    config + def +
+                    {
+                      out: std.strReplace(def.save, '/', '_'),
+                    }
+                  ),
+                  'echo "docker load %(out)s.tar" >> /%(root)s/.images/%(name)s/load.sh' % (
+                    config + {
+                      out: std.strReplace(def.save, '/', '_'),
+                    }
+                  ),
+                  'echo "docker tag $${REGISTRY_DOMAIN}:$${REGISTRY_PORT}/%(root)s/%(name)s/%(pull)s /%(root)s/DOLLAR1/%(pull)s" >> /%(root)s/.images/%(name)s/load.sh' % (
+                    config +
+                    {
+                      pull: def.save,
+                    }
+                  ),
+                ],
+              },
+            } +
+            {
+              name: def.save,
+            },
+          defs
+        ) +
+        std.map(
+          function(def)
+            images(config).ssh {
+              settings +: {
+                envs +: [
+                  'registry_domain',
+                  'registry_port',
+                  'registry_password',
+                ],
+                script +: [
+                  login,
+                  'docker pull $${REGISTRY_DOMAIN}:$${REGISTRY_PORT}/%(root)s/%(name)s/%(save)s' % (config + { save: def }),
+                  'docker save $${REGISTRY_DOMAIN}:$${REGISTRY_PORT}/%(root)s/%(name)s/%(save)s -o /%(root)s/.images/%(name)s/built/%(out)s.tar' % (
+                    config +
+                    {
+                      save: def,
+                      out: std.strReplace(def, '/', '_'),
+                    }
+                  ),
+                  'echo "docker load %(out)s.tar" >> /%(root)s/.images/%(name)s/built/load.sh' % (
+                    config + {
+                      out: std.strReplace(def, '/', '_'),
+                    }
+                  ),
+                  'echo "docker tag $${REGISTRY_DOMAIN}:$${REGISTRY_PORT}/%(root)s/%(name)s/%(pull)s /%(root)s/DOLLAR1/%(pull)s" >> /%(root)s/.images/%(name)s/built/load.sh' % (
+                    config +
+                    {
+                      pull: def,
+                    }
+                  ),
+                ],
+              },
+            } +
+            {
+              name: def,
+            },
+          builtDefs
+        ),
+    } {
+    trigger +: {
+      event +: [
+        'promote',
+      ],
+      target +: [
+        'sve',
+      ],
+    },
+  }