Fixes #6: Add fun 404 page.

config/sync/system.site.yml

@@ -4,7 +4,7 @@ mail: admin@example.com
 slogan: 'Drupal 8 on a cluster of Raspberry Pis'
 page:
   403: ''
-  404: ''
+  404: /node/29
   front: /node/28
 admin_compact_mode: false
 weight_select_max: 100

docker-compose.yml

@@ -15,7 +15,7 @@ services:
       DRUPAL_DOWNLOAD_IF_NOT_PRESENT: 'false'
     ports:
       - "80:80"
-    restart: always
+    restart: on-failure
     # Share the project into the container for local development. Comment out
     # this line to test the production-ready pre-built container codebase.
     volumes: ['./:/var/www/html:rw,delegated']
@@ -28,6 +28,7 @@ services:
       MYSQL_DATABASE: drupal
       MYSQL_USER: drupal
       MYSQL_PASSWORD: drupal
+    restart: on-failure
     ports:
       - "3306:3306"
     volumes:

web/modules/custom/pidramble_default_content/content/node/28f17cee-5860-4247-94b4-46c000e27f49.json

@@ -0,0 +1,157 @@
+{
+    "_links": {
+        "self": {
+            "href": "http:\/\/default\/page-not-found?_format=hal_json"
+        },
+        "type": {
+            "href": "http:\/\/drupal.org\/rest\/type\/node\/page"
+        },
+        "http:\/\/drupal.org\/rest\/relation\/node\/page\/revision_uid": [
+            {
+                "href": "http:\/\/default\/user\/2?_format=hal_json"
+            }
+        ],
+        "http:\/\/drupal.org\/rest\/relation\/node\/page\/uid": [
+            {
+                "href": "http:\/\/default\/user\/2?_format=hal_json",
+                "lang": "en"
+            }
+        ]
+    },
+    "nid": [
+        {
+            "value": 29
+        }
+    ],
+    "uuid": [
+        {
+            "value": "28f17cee-5860-4247-94b4-46c000e27f49"
+        }
+    ],
+    "vid": [
+        {
+            "value": 29
+        }
+    ],
+    "langcode": [
+        {
+            "value": "en",
+            "lang": "en"
+        }
+    ],
+    "type": [
+        {
+            "target_id": "page"
+        }
+    ],
+    "revision_timestamp": [
+        {
+            "value": "2019-03-04T04:49:31+00:00",
+            "format": "Y-m-d\\TH:i:sP"
+        }
+    ],
+    "_embedded": {
+        "http:\/\/drupal.org\/rest\/relation\/node\/page\/revision_uid": [
+            {
+                "_links": {
+                    "self": {
+                        "href": "http:\/\/default\/user\/2?_format=hal_json"
+                    },
+                    "type": {
+                        "href": "http:\/\/drupal.org\/rest\/type\/user\/user"
+                    }
+                },
+                "uuid": [
+                    {
+                        "value": "72a32381-22fe-4944-ab85-0b45a51f8631"
+                    }
+                ]
+            }
+        ],
+        "http:\/\/drupal.org\/rest\/relation\/node\/page\/uid": [
+            {
+                "_links": {
+                    "self": {
+                        "href": "http:\/\/default\/user\/2?_format=hal_json"
+                    },
+                    "type": {
+                        "href": "http:\/\/drupal.org\/rest\/type\/user\/user"
+                    }
+                },
+                "uuid": [
+                    {
+                        "value": "72a32381-22fe-4944-ab85-0b45a51f8631"
+                    }
+                ],
+                "lang": "en"
+            }
+        ]
+    },
+    "status": [
+        {
+            "value": true,
+            "lang": "en"
+        }
+    ],
+    "title": [
+        {
+            "value": "Page not found",
+            "lang": "en"
+        }
+    ],
+    "created": [
+        {
+            "value": "2019-03-04T04:37:37+00:00",
+            "lang": "en",
+            "format": "Y-m-d\\TH:i:sP"
+        }
+    ],
+    "changed": [
+        {
+            "value": "2019-03-04T04:55:38+00:00",
+            "lang": "en",
+            "format": "Y-m-d\\TH:i:sP"
+        }
+    ],
+    "promote": [
+        {
+            "value": false,
+            "lang": "en"
+        }
+    ],
+    "sticky": [
+        {
+            "value": false,
+            "lang": "en"
+        }
+    ],
+    "default_langcode": [
+        {
+            "value": true,
+            "lang": "en"
+        }
+    ],
+    "revision_translation_affected": [
+        {
+            "value": true,
+            "lang": "en"
+        }
+    ],
+    "path": [
+        {
+            "alias": "\/page-not-found",
+            "pid": 29,
+            "langcode": "en",
+            "lang": "en"
+        }
+    ],
+    "body": [
+        {
+            "value": "<p>That page couldn't be found. But you shouldn't leave on an empty stomach, so here's a picture of a yummy raspberry pie!<\/p>\r\n\r\n<p class=\"text-align-center\"><img alt=\"Raspberry pie image from www.shockinglydelicious.com\" data-entity-type=\"\" data-entity-uuid=\"\" height=\"auto\" src=\"https:\/\/raw.githubusercontent.com\/geerlingguy\/raspberry-pi-dramble\/master\/images\/website\/raspberry-pie.jpg\" width=\"600\" \/><\/p>\r\n\r\n<p class=\"text-align-center\">(Photo from <a href=\"http:\/\/www.shockinglydelicious.com\/dorothys-fresh-raspberry-pie-recipe\/\">Shockingly Delicious<\/a>)<\/p>\r\n",
+            "format": "html",
+            "processed": "<p>That page couldn't be found. But you shouldn't leave on an empty stomach, so here's a picture of a yummy raspberry pie!<\/p>\n\n<p class=\"text-align-center\"><img alt=\"Raspberry pie image from www.shockinglydelicious.com\" data-entity-type=\"\" data-entity-uuid=\"\" height=\"auto\" src=\"https:\/\/raw.githubusercontent.com\/geerlingguy\/raspberry-pi-dramble\/master\/images\/website\/raspberry-pie.jpg\" width=\"600\" \/><\/p>\n\n<p class=\"text-align-center\">(Photo from <a href=\"http:\/\/www.shockinglydelicious.com\/dorothys-fresh-raspberry-pie-recipe\/\">Shockingly Delicious<\/a>)<\/p>\n",
+            "summary": "",
+            "lang": "en"
+        }
+    ]
+}