diff --git a/src/components/dialogs/dockerfile.riot b/src/components/dialogs/dockerfile.riot
new file mode 100644
index 0000000..83f8a52
--- /dev/null
+++ b/src/components/dialogs/dockerfile.riot
@@ -0,0 +1,68 @@
+<!--
+Copyright (C) 2016-2023 Jones Magloire @Joxit
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU Affero General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU Affero General Public License for more details.
+
+You should have received a copy of the GNU Affero General Public License
+along with this program. If not, see <http://www.gnu.org/licenses/>.
+-->
+<dockerfile>
+  <material-popup opened="{ props.opened }" onClick="{ props.onClose }">
+    <div class="material-popup-title">Dockerfile</div>
+    <div class="material-popup-content">
+      <template each="{ (_, idx) in props.elements }">
+        <template
+          each="{ element in props.elements[props.elements.length - 1 - idx].filter(e => e.key === 'created_by') }"
+        >
+          <div class="instruction">
+            <span class="keyword">{ element.value }</span>
+            <span>{ ' ' + element.content }</span>
+          </div>
+        </template>
+      </template>
+    </div>
+    <div class="material-popup-action">
+      <material-button
+        class="dialog-button"
+        waves-color="rgba(158,158,158,.4)"
+        onClick="{ props.onClose }"
+        color="inherit"
+        text-color="var(--primary-text)"
+      >
+        Close
+      </material-button>
+    </div>
+  </material-popup>
+  <style>
+    :host material-popup .popup material-button {
+      margin-right: 1em;
+    }
+    :host material-popup .popup > .content {
+      max-width: 75em;
+      width: 80%;
+    }
+    :host .material-popup-content {
+      background-color: var(--hover-background);
+    }
+    @media screen and (max-width: 800px) {
+      :host material-popup .popup > .content {
+        width: 100%;
+      }
+    }
+    :host .instruction {
+      font-family: 'Roboto Mono', monospace !important;
+      margin: 0.75em 0;
+    }
+    :host .instruction .keyword {
+      color: var(--accent-text);
+    }
+  </style>
+</dockerfile>
diff --git a/src/components/tag-history/tag-history.riot b/src/components/tag-history/tag-history.riot
index 78ee07e..be0f2d4 100644
--- a/src/components/tag-history/tag-history.riot
+++ b/src/components/tag-history/tag-history.riot
@@ -36,6 +36,7 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
         waves-center="true"
         rounded="true"
         outlined
+        onClick="{ showDockerfile }"
       >
         Dockerfile
       </material-button>
@@ -44,6 +45,11 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
   <div if="{ !state.loadend }" class="spinner-wrapper">
     <material-spinner></material-spinner>
   </div>
+  <dockerfile
+    opened="{ state.showDockerfile }"
+    on-close="{ onDockerfileClose }"
+    elements="{ state.elements }"
+  ></dockerfile>
 
   <material-tabs
     if="{ state.archs && state.loadend }"
@@ -67,11 +73,13 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
   <script>
     import { DockerImage } from '../../scripts/docker-image';
     import { bytesToSize } from '../../scripts/utils';
+    import Dockerfile from '../dialogs/dockerfile.riot';
     import router from '../../scripts/router';
     import TagHistoryElement from './tag-history-element.riot';
     export default {
       components: {
         TagHistoryElement,
+        Dockerfile,
       },
       onBeforeMount(props, state) {
         state.elements = [];
@@ -115,10 +123,7 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
           for (var attribute in elt) {
             if (elt.hasOwnProperty(attribute) && attribute != 'empty_layer') {
               const value = elt[attribute];
-              const guiElement = {
-                'key': attribute,
-                'value': modifySpecificAttributeTypes(attribute, value),
-              };
+              const guiElement = modifySpecificAttributeTypes(attribute, value);
               guiElements.push(guiElement);
             }
           }
@@ -153,6 +158,13 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
       toTaglist() {
         return router.taglist(this.props.image);
       },
+      showDockerfile() {
+        console.log(this);
+        this.update({ showDockerfile: true });
+      },
+      onDockerfileClose() {
+        this.update({ showDockerfile: false });
+      },
     };
     const eltIdx = function (e) {
       switch (e) {
@@ -181,27 +193,47 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
       return eltIdx(e1.key) - eltIdx(e2.key);
     };
 
-    const modifySpecificAttributeTypes = function (attribute, value) {
-      switch (attribute) {
+    const parseCreatedBy = (value) => {
+      if (value.startsWith('COPY')) {
+        return {
+          value: 'COPY',
+          content: value.replace(/^COPY /, ''),
+        };
+      }
+      let cmd = value.match(/\/bin\/sh *-c *#\(nop\) *([A-Z]+) (.*)/);
+      return {
+        value: (cmd && cmd[1]) || 'RUN',
+        content: (cmd && cmd[2]) || value.replace(/^\/bin\/sh *-c *(#\(nop\))?/, ''),
+      };
+    };
+
+    const modifySpecificAttributeTypes = function (key, value) {
+      switch (key) {
         case 'created':
-          return new Date(value).toLocaleString();
+          return { key, value: new Date(value).toLocaleString() };
         case 'created_by':
-          const cmd = value.match(/\/bin\/sh *-c *#\(nop\) *([A-Z]+)/);
-          return (cmd && cmd[1]) || 'RUN';
+          const cmd = value.match(/\/bin\/sh *-c *#\(nop\) *([A-Z]+) (.*)/);
+          return {
+            key,
+            ...parseCreatedBy(value),
+          };
         case 'size':
-          return bytesToSize(value);
+          return { key, value: bytesToSize(value) };
         case 'Entrypoint':
         case 'Cmd':
-          return (value || []).join(' ');
+          return { key, value: (value || []).join(' ') };
         case 'Labels':
-          return Object.keys(value || {}).map(function (elt) {
-            return value[elt] ? elt + '=' + value[elt] : '';
-          });
+          return {
+            key,
+            value: Object.keys(value || {}).map(function (elt) {
+              return value[elt] ? elt + '=' + value[elt] : '';
+            }),
+          };
         case 'Volumes':
         case 'ExposedPorts':
-          return Object.keys(value);
+          return { key, value: Object.keys(value) };
       }
-      return value || '';
+      return { key, value: value || '' };
     };
 
     const getConfig = function (blobs, { historyCustomLabels }) {