diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3cb23b0e..71ae65c9 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -15,6 +15,7 @@ This project adheres to [Semantic Versioning](http://semver.org/).
 - Fixed error page metadata title warning
 - Fixed telemetry
 - Await page render job to complete before resolving
+- Fixed JSON fields for MariaDB
 
 ### Changed
 - Moved Insert Media button in Markdown editor
diff --git a/Makefile b/Makefile
index c212b8be..f3688748 100644
--- a/Makefile
+++ b/Makefile
@@ -1,4 +1,5 @@
 SHELL := /bin/bash
+DEVDB := postgres
 
 start: ## Start Wiki.js in production mode
 	node wiki start
@@ -23,27 +24,30 @@ test: ## Run code linting tests
 	pug-lint server/views && jest
 
 docker-dev-up: ## Run dockerized dev environment
-	docker-compose -f ./dev/docker/docker-compose.yml -p wiki --project-directory . up -d
-	docker-compose -f ./dev/docker/docker-compose.yml -p wiki --project-directory . exec wiki yarn dev
+	docker-compose -f ./dev/docker-${DEVDB}/docker-compose.yml -p wiki --project-directory . up -d
+	docker-compose -f ./dev/docker-${DEVDB}/docker-compose.yml -p wiki --project-directory . exec wiki yarn dev
 
 docker-dev-down: ## Shutdown dockerized dev environment
-	docker-compose -f ./dev/docker/docker-compose.yml -p wiki --project-directory . down
+	docker-compose -f ./dev/docker-${DEVDB}/docker-compose.yml -p wiki --project-directory . down
 
 docker-dev-rebuild: ## Rebuild dockerized dev image
 	rm -rf ./node_modules
-	docker-compose -f ./dev/docker/docker-compose.yml -p wiki --project-directory . build --no-cache --force-rm
+	docker-compose -f ./dev/docker-${DEVDB}/docker-compose.yml -p wiki --project-directory . build --no-cache --force-rm
 
 docker-dev-clean: ## Clean DB, redis and data folders
 	rm -rf ./data
-	docker-compose -f ./dev/docker/docker-compose.yml -p wiki --project-directory . exec db psql --dbname=wiki --username=wikijs --command='DROP SCHEMA IF EXISTS public CASCADE; CREATE SCHEMA public'
-	docker-compose -f ./dev/docker/docker-compose.yml -p wiki --project-directory . exec redis redis-cli flushall
+	[[ "${DEVDB}" == "postgres" ]] && docker-compose -f ./dev/docker-postgres/docker-compose.yml -p wiki --project-directory . exec db psql --dbname=wiki --username=wikijs --command='DROP SCHEMA IF EXISTS public CASCADE; CREATE SCHEMA public' || true
+	[[ "${DEVDB}" == "mysql" || "${DEVDB}" == "mariadb" ]] && docker-compose -f ./dev/docker-${DEVDB}/docker-compose.yml -p wiki --project-directory . exec db mysql -uroot -p'wikijsrocks' -e 'DROP SCHEMA IF EXISTS wiki; CREATE SCHEMA wiki;' || true
+	## [[ "${DEVDB}" = "mssql" ]] && docker-compose -f ./dev/docker-mssql/docker-compose.yml -p wiki --project-directory . exec db ls
+	[[ "${DEVDB}" == "sqlite" ]] && docker-compose -f ./dev/docker-${DEVDB}/docker-compose.yml -p wiki --project-directory . exec wiki rm -rf /wiki/db.sqlite || true
+	docker-compose -f ./dev/docker-${DEVDB}/docker-compose.yml -p wiki --project-directory . exec redis redis-cli flushall
 
 docker-dev-bash: ## Rebuild dockerized dev image
-	docker-compose -f ./dev/docker/docker-compose.yml -p wiki --project-directory . exec wiki bash
+	docker-compose -f ./dev/docker-${DEVDB}/docker-compose.yml -p wiki --project-directory . exec wiki bash
 
 docker-build: ## Run assets generation build in docker
-	docker-compose -f ./dev/docker/docker-compose.yml -p wiki --project-directory . run wiki yarn build
-	docker-compose -f ./dev/docker/docker-compose.yml -p wiki --project-directory . down
+	docker-compose -f ./dev/docker-${DEVDB}/docker-compose.yml -p wiki --project-directory . run wiki yarn build
+	docker-compose -f ./dev/docker-${DEVDB}/docker-compose.yml -p wiki --project-directory . down
 
 help: ## Display help
 	@echo ''
diff --git a/dev/build/Dockerfile b/dev/build/Dockerfile
index 0a9a0748..9e966f2b 100644
--- a/dev/build/Dockerfile
+++ b/dev/build/Dockerfile
@@ -29,7 +29,7 @@ FROM node:10.15-alpine
 LABEL maintainer="requarks.io"
 
 RUN apk update && \
-    apk add bash curl git openssh gnupg supervisor --no-cache && \
+    apk add bash curl git openssh gnupg sqlite --no-cache && \
     rm -rf /var/cache/apk/* && \
     mkdir -p /wiki && \
     mkdir -p /logs
diff --git a/dev/docker/wait.sh b/dev/docker-common/wait.sh
similarity index 100%
rename from dev/docker/wait.sh
rename to dev/docker-common/wait.sh
diff --git a/dev/docker-mariadb/Dockerfile b/dev/docker-mariadb/Dockerfile
new file mode 100644
index 00000000..7d303558
--- /dev/null
+++ b/dev/docker-mariadb/Dockerfile
@@ -0,0 +1,21 @@
+# -- DEV DOCKERFILE --
+# -- DO NOT USE IN PRODUCTION! --
+
+FROM node:10-alpine
+LABEL maintainer "requarks.io"
+
+RUN apk update && \
+    apk add bash curl git python make g++ nano openssh gnupg --no-cache && \
+    mkdir -p /wiki
+
+WORKDIR /wiki
+COPY package.json .
+RUN yarn --silent
+COPY ./dev/docker-mariadb/init.sh ./init.sh
+
+ENV dockerdev 1
+ENV DEVDB mariadb
+
+EXPOSE 3000
+
+CMD ["tail", "-f", "/dev/null"]
diff --git a/dev/docker-mariadb/config.yml b/dev/docker-mariadb/config.yml
new file mode 100644
index 00000000..0dcd4528
--- /dev/null
+++ b/dev/docker-mariadb/config.yml
@@ -0,0 +1,14 @@
+port: 3000
+bindIP: 0.0.0.0
+db:
+  type: mariadb
+  host: db
+  port: 3306
+  user: wikijs
+  pass: wikijsrocks
+  db: wiki
+redis:
+  host: redis
+  port: 6379
+  db: 0
+logLevel: info
diff --git a/dev/docker-mariadb/docker-compose.yml b/dev/docker-mariadb/docker-compose.yml
new file mode 100644
index 00000000..9ca820b7
--- /dev/null
+++ b/dev/docker-mariadb/docker-compose.yml
@@ -0,0 +1,61 @@
+# -- DEV DOCKER-COMPOSE --
+# -- DO NOT USE IN PRODUCTION! --
+
+version: "3"
+services:
+
+  redis:
+    image: redis:4-alpine
+    ports:
+      - "16379:6379"
+    logging:
+      driver: "none"
+    networks:
+      - wikinet
+
+  db:
+    image: mariadb:10.3
+    environment:
+      MYSQL_DATABASE: wiki
+      MYSQL_PASSWORD: wikijsrocks
+      MYSQL_USER: wikijs
+      MYSQL_ROOT_PASSWORD: wikijsrocks
+    logging:
+      driver: "none"
+    volumes:
+      - db-data:/var/lib/mysql
+    networks:
+      - wikinet
+    ports:
+      - "13306:3306"
+
+  adminer:
+    image: adminer:latest
+    logging:
+      driver: "none"
+    networks:
+      - wikinet
+    ports:
+      - "3001:8080"
+
+  wiki:
+    build:
+      context: .
+      dockerfile: dev/docker-mariadb/Dockerfile
+    depends_on:
+      - db
+      - redis
+    networks:
+      - wikinet
+    ports:
+      - "3000:3000"
+    volumes:
+      - .:/wiki
+      - /wiki/node_modules
+    command: ["sh", "./dev/docker-mariadb/init.sh"]
+
+networks:
+  wikinet:
+
+volumes:
+  db-data:
diff --git a/dev/docker-mariadb/init.sh b/dev/docker-mariadb/init.sh
new file mode 100644
index 00000000..69d78eed
--- /dev/null
+++ b/dev/docker-mariadb/init.sh
@@ -0,0 +1,7 @@
+#!/bin/sh
+
+echo "Waiting for redis and mariadb to start up..."
+bash ./dev/docker-common/wait.sh redis:6379
+bash ./dev/docker-common/wait.sh db:3306
+echo "=== READY ==="
+tail -f /dev/null
diff --git a/dev/docker/Dockerfile b/dev/docker-mssql/Dockerfile
similarity index 85%
rename from dev/docker/Dockerfile
rename to dev/docker-mssql/Dockerfile
index b05626f9..b8a9c56c 100644
--- a/dev/docker/Dockerfile
+++ b/dev/docker-mssql/Dockerfile
@@ -11,9 +11,10 @@ RUN apk update && \
 WORKDIR /wiki
 COPY package.json .
 RUN yarn --silent
-COPY ./dev/docker/init.sh ./init.sh
+COPY ./dev/docker-mssql/init.sh ./init.sh
 
 ENV dockerdev 1
+ENV DEVDB mssql
 
 EXPOSE 3000
 
diff --git a/dev/docker-mssql/config.yml b/dev/docker-mssql/config.yml
new file mode 100644
index 00000000..5ebedf09
--- /dev/null
+++ b/dev/docker-mssql/config.yml
@@ -0,0 +1,14 @@
+port: 3000
+bindIP: 0.0.0.0
+db:
+  type: mssql
+  host: db
+  port: 1433
+  user: SA
+  pass: W1kiJSR0cks!
+  db: wiki
+redis:
+  host: redis
+  port: 6379
+  db: 0
+logLevel: info
diff --git a/dev/docker-mssql/docker-compose.yml b/dev/docker-mssql/docker-compose.yml
new file mode 100644
index 00000000..68ef4257
--- /dev/null
+++ b/dev/docker-mssql/docker-compose.yml
@@ -0,0 +1,60 @@
+# -- DEV DOCKER-COMPOSE --
+# -- DO NOT USE IN PRODUCTION! --
+
+version: "3"
+services:
+
+  redis:
+    image: redis:4-alpine
+    ports:
+      - "16379:6379"
+    logging:
+      driver: "none"
+    networks:
+      - wikinet
+
+  db:
+    image: mcr.microsoft.com/mssql/server:2017-latest
+    environment:
+      ACCEPT_EULA: 'Y'
+      MSSQL_PID: Developer
+      SA_PASSWORD: W1kiJSR0cks!
+    logging:
+      driver: "none"
+    volumes:
+      - db-data:/var/opt/mssql
+    networks:
+      - wikinet
+    ports:
+      - "11433:1433"
+
+  adminer:
+    image: adminer:latest
+    logging:
+      driver: "none"
+    networks:
+      - wikinet
+    ports:
+      - "3001:8080"
+
+  wiki:
+    build:
+      context: .
+      dockerfile: dev/docker-mssql/Dockerfile
+    depends_on:
+      - db
+      - redis
+    networks:
+      - wikinet
+    ports:
+      - "3000:3000"
+    volumes:
+      - .:/wiki
+      - /wiki/node_modules
+    command: ["sh", "./dev/docker-mssql/init.sh"]
+
+networks:
+  wikinet:
+
+volumes:
+  db-data:
diff --git a/dev/docker-mssql/init.sh b/dev/docker-mssql/init.sh
new file mode 100644
index 00000000..5dba84af
--- /dev/null
+++ b/dev/docker-mssql/init.sh
@@ -0,0 +1,7 @@
+#!/bin/sh
+
+echo "Waiting for redis and mssql to start up..."
+bash ./dev/docker-common/wait.sh redis:6379
+bash ./dev/docker-common/wait.sh db:1433
+echo "=== READY ==="
+tail -f /dev/null
diff --git a/dev/docker-mysql/Dockerfile b/dev/docker-mysql/Dockerfile
new file mode 100644
index 00000000..b3fa01b1
--- /dev/null
+++ b/dev/docker-mysql/Dockerfile
@@ -0,0 +1,21 @@
+# -- DEV DOCKERFILE --
+# -- DO NOT USE IN PRODUCTION! --
+
+FROM node:10-alpine
+LABEL maintainer "requarks.io"
+
+RUN apk update && \
+    apk add bash curl git python make g++ nano openssh gnupg --no-cache && \
+    mkdir -p /wiki
+
+WORKDIR /wiki
+COPY package.json .
+RUN yarn --silent
+COPY ./dev/docker-mysql/init.sh ./init.sh
+
+ENV dockerdev 1
+ENV DEVDB mysql
+
+EXPOSE 3000
+
+CMD ["tail", "-f", "/dev/null"]
diff --git a/dev/docker-mysql/config.yml b/dev/docker-mysql/config.yml
new file mode 100644
index 00000000..d83189ab
--- /dev/null
+++ b/dev/docker-mysql/config.yml
@@ -0,0 +1,14 @@
+port: 3000
+bindIP: 0.0.0.0
+db:
+  type: mysql
+  host: db
+  port: 3306
+  user: wikijs
+  pass: wikijsrocks
+  db: wiki
+redis:
+  host: redis
+  port: 6379
+  db: 0
+logLevel: info
diff --git a/dev/docker-mysql/docker-compose.yml b/dev/docker-mysql/docker-compose.yml
new file mode 100644
index 00000000..82a3eee0
--- /dev/null
+++ b/dev/docker-mysql/docker-compose.yml
@@ -0,0 +1,61 @@
+# -- DEV DOCKER-COMPOSE --
+# -- DO NOT USE IN PRODUCTION! --
+
+version: "3"
+services:
+
+  redis:
+    image: redis:4-alpine
+    ports:
+      - "16379:6379"
+    logging:
+      driver: "none"
+    networks:
+      - wikinet
+
+  db:
+    image: mysql:5.7
+    environment:
+      MYSQL_DATABASE: wiki
+      MYSQL_PASSWORD: wikijsrocks
+      MYSQL_USER: wikijs
+      MYSQL_ROOT_PASSWORD: wikijsrocks
+    logging:
+      driver: "none"
+    volumes:
+      - db-data:/var/lib/mysql
+    networks:
+      - wikinet
+    ports:
+      - "13306:3306"
+
+  adminer:
+    image: adminer:latest
+    logging:
+      driver: "none"
+    networks:
+      - wikinet
+    ports:
+      - "3001:8080"
+
+  wiki:
+    build:
+      context: .
+      dockerfile: dev/docker-mysql/Dockerfile
+    depends_on:
+      - db
+      - redis
+    networks:
+      - wikinet
+    ports:
+      - "3000:3000"
+    volumes:
+      - .:/wiki
+      - /wiki/node_modules
+    command: ["sh", "./dev/docker-mysql/init.sh"]
+
+networks:
+  wikinet:
+
+volumes:
+  db-data:
diff --git a/dev/docker-mysql/init.sh b/dev/docker-mysql/init.sh
new file mode 100644
index 00000000..07f4ae3e
--- /dev/null
+++ b/dev/docker-mysql/init.sh
@@ -0,0 +1,7 @@
+#!/bin/sh
+
+echo "Waiting for redis and mysql to start up..."
+bash ./dev/docker-common/wait.sh redis:6379
+bash ./dev/docker-common/wait.sh db:3306
+echo "=== READY ==="
+tail -f /dev/null
diff --git a/dev/docker-postgres/Dockerfile b/dev/docker-postgres/Dockerfile
new file mode 100644
index 00000000..3a0f7113
--- /dev/null
+++ b/dev/docker-postgres/Dockerfile
@@ -0,0 +1,21 @@
+# -- DEV DOCKERFILE --
+# -- DO NOT USE IN PRODUCTION! --
+
+FROM node:10-alpine
+LABEL maintainer "requarks.io"
+
+RUN apk update && \
+    apk add bash curl git python make g++ nano openssh gnupg --no-cache && \
+    mkdir -p /wiki
+
+WORKDIR /wiki
+COPY package.json .
+RUN yarn --silent
+COPY ./dev/docker-postgres/init.sh ./init.sh
+
+ENV dockerdev 1
+ENV DEVDB postgres
+
+EXPOSE 3000
+
+CMD ["tail", "-f", "/dev/null"]
diff --git a/dev/docker/config.yml b/dev/docker-postgres/config.yml
similarity index 100%
rename from dev/docker/config.yml
rename to dev/docker-postgres/config.yml
diff --git a/dev/docker/docker-compose.yml b/dev/docker-postgres/docker-compose.yml
similarity index 89%
rename from dev/docker/docker-compose.yml
rename to dev/docker-postgres/docker-compose.yml
index aabb96c5..aa5600a4 100644
--- a/dev/docker/docker-compose.yml
+++ b/dev/docker-postgres/docker-compose.yml
@@ -40,7 +40,7 @@ services:
   wiki:
     build:
       context: .
-      dockerfile: dev/docker/Dockerfile
+      dockerfile: dev/docker-postgres/Dockerfile
     depends_on:
       - db
       - redis
@@ -51,7 +51,7 @@ services:
     volumes:
       - .:/wiki
       - /wiki/node_modules
-    command: ["sh", "./dev/docker/init.sh"]
+    command: ["sh", "./dev/docker-postgres/init.sh"]
 
 networks:
   wikinet:
diff --git a/dev/docker/init.sh b/dev/docker-postgres/init.sh
similarity index 54%
rename from dev/docker/init.sh
rename to dev/docker-postgres/init.sh
index 7634bad8..96e6182c 100644
--- a/dev/docker/init.sh
+++ b/dev/docker-postgres/init.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 
 echo "Waiting for redis and postgres to start up..."
-bash ./dev/docker/wait.sh redis:6379
-bash ./dev/docker/wait.sh db:5432
+bash ./dev/docker-common/wait.sh redis:6379
+bash ./dev/docker-common/wait.sh db:5432
 echo "=== READY ==="
 tail -f /dev/null
diff --git a/dev/docker-sqlite/Dockerfile b/dev/docker-sqlite/Dockerfile
new file mode 100644
index 00000000..26f32650
--- /dev/null
+++ b/dev/docker-sqlite/Dockerfile
@@ -0,0 +1,21 @@
+# -- DEV DOCKERFILE --
+# -- DO NOT USE IN PRODUCTION! --
+
+FROM node:10-alpine
+LABEL maintainer "requarks.io"
+
+RUN apk update && \
+    apk add bash curl git python make g++ nano openssh gnupg sqlite --no-cache && \
+    mkdir -p /wiki
+
+WORKDIR /wiki
+COPY package.json .
+RUN yarn --silent
+COPY ./dev/docker-sqlite/init.sh ./init.sh
+
+ENV dockerdev 1
+ENV DEVDB sqlite
+
+EXPOSE 3000
+
+CMD ["tail", "-f", "/dev/null"]
diff --git a/dev/docker-sqlite/config.yml b/dev/docker-sqlite/config.yml
new file mode 100644
index 00000000..5c04c370
--- /dev/null
+++ b/dev/docker-sqlite/config.yml
@@ -0,0 +1,10 @@
+port: 3000
+bindIP: 0.0.0.0
+db:
+  type: sqlite
+  storage: /wiki/db.sqlite
+redis:
+  host: redis
+  port: 6379
+  db: 0
+logLevel: info
diff --git a/dev/docker-sqlite/docker-compose.yml b/dev/docker-sqlite/docker-compose.yml
new file mode 100644
index 00000000..87c3de5e
--- /dev/null
+++ b/dev/docker-sqlite/docker-compose.yml
@@ -0,0 +1,35 @@
+# -- DEV DOCKER-COMPOSE --
+# -- DO NOT USE IN PRODUCTION! --
+
+version: "3"
+services:
+
+  redis:
+    image: redis:4-alpine
+    ports:
+      - "16379:6379"
+    logging:
+      driver: "none"
+    networks:
+      - wikinet
+
+  wiki:
+    build:
+      context: .
+      dockerfile: dev/docker-sqlite/Dockerfile
+    depends_on:
+      - redis
+    networks:
+      - wikinet
+    ports:
+      - "3000:3000"
+    volumes:
+      - .:/wiki
+      - /wiki/node_modules
+    command: ["sh", "./dev/docker-sqlite/init.sh"]
+
+networks:
+  wikinet:
+
+volumes:
+  db-data:
diff --git a/dev/docker-sqlite/init.sh b/dev/docker-sqlite/init.sh
new file mode 100644
index 00000000..8cd23b81
--- /dev/null
+++ b/dev/docker-sqlite/init.sh
@@ -0,0 +1,6 @@
+#!/bin/sh
+
+echo "Waiting for redis to start up..."
+bash ./dev/docker-common/wait.sh redis:6379
+echo "=== READY ==="
+tail -f /dev/null
diff --git a/server/core/config.js b/server/core/config.js
index 1bf4b68b..1aa059a8 100644
--- a/server/core/config.js
+++ b/server/core/config.js
@@ -19,7 +19,7 @@ module.exports = {
     }
 
     if (process.env.dockerdev) {
-      confPaths.config = path.join(WIKI.ROOTPATH, 'dev/docker/config.yml')
+      confPaths.config = path.join(WIKI.ROOTPATH, `dev/docker-${process.env.DEVDB}/config.yml`)
     }
 
     process.stdout.write(chalk.blue(`Loading configuration from ${confPaths.config}... `))
diff --git a/server/core/localization.js b/server/core/localization.js
index dd6699e2..54466e23 100644
--- a/server/core/localization.js
+++ b/server/core/localization.js
@@ -84,7 +84,7 @@ module.exports = {
       throw new Error('No such locale in local store.')
     }
 
-    //-> Load dev locale files if present
+    // -> Load dev locale files if present
     if (WIKI.IS_DEBUG) {
       try {
         const devEntriesRaw = await fs.readFileAsync(path.join(WIKI.SERVERPATH, `locales/${locale}.yml`), 'utf8')
diff --git a/server/models/authentication.js b/server/models/authentication.js
index e4436839..80ec3ffb 100644
--- a/server/models/authentication.js
+++ b/server/models/authentication.js
@@ -22,14 +22,15 @@ module.exports = class Authentication extends Model {
       properties: {
         key: {type: 'string'},
         isEnabled: {type: 'boolean'},
-        config: {type: 'object'},
-        selfRegistration: {type: 'boolean'},
-        domainWhitelist: {type: 'object'},
-        autoEnrollGroups: {type: 'object'}
+        selfRegistration: {type: 'boolean'}
       }
     }
   }
 
+  static get jsonAttributes() {
+    return ['config', 'domainWhitelist', 'autoEnrollGroups']
+  }
+
   static async getStrategy(key) {
     return WIKI.models.authentication.query().findOne({ key })
   }
diff --git a/server/models/editors.js b/server/models/editors.js
index 0bc92f07..29e3db6c 100644
--- a/server/models/editors.js
+++ b/server/models/editors.js
@@ -21,12 +21,15 @@ module.exports = class Editor extends Model {
 
       properties: {
         key: {type: 'string'},
-        isEnabled: {type: 'boolean'},
-        config: {type: 'object'}
+        isEnabled: {type: 'boolean'}
       }
     }
   }
 
+  static get jsonAttributes() {
+    return ['config']
+  }
+
   static async getEditors() {
     return WIKI.models.editors.query()
   }
diff --git a/server/models/groups.js b/server/models/groups.js
index 242e8f1b..e3d1af4f 100644
--- a/server/models/groups.js
+++ b/server/models/groups.js
@@ -20,6 +20,10 @@ module.exports = class Group extends Model {
     }
   }
 
+  static get jsonAttributes() {
+    return ['permissions', 'pageRules']
+  }
+
   static get relationMappings() {
     return {
       users: {
diff --git a/server/models/locales.js b/server/models/locales.js
index f5d5a5fe..e4544dfd 100644
--- a/server/models/locales.js
+++ b/server/models/locales.js
@@ -3,7 +3,7 @@ const Model = require('objection').Model
 /**
  * Locales model
  */
-module.exports = class User extends Model {
+module.exports = class Locale extends Model {
   static get tableName() { return 'locales' }
   static get idColumn() { return 'code' }
 
@@ -14,7 +14,6 @@ module.exports = class User extends Model {
 
       properties: {
         code: {type: 'string'},
-        strings: {type: 'object'},
         isRTL: {type: 'boolean', default: false},
         name: {type: 'string'},
         nativeName: {type: 'string'},
@@ -24,6 +23,10 @@ module.exports = class User extends Model {
     }
   }
 
+  static get jsonAttributes() {
+    return ['strings']
+  }
+
   $beforeUpdate() {
     this.updatedAt = new Date().toISOString()
   }
diff --git a/server/models/loggers.js b/server/models/loggers.js
index 8de16ebb..cd6664c6 100644
--- a/server/models/loggers.js
+++ b/server/models/loggers.js
@@ -22,12 +22,15 @@ module.exports = class Logger extends Model {
       properties: {
         key: {type: 'string'},
         isEnabled: {type: 'boolean'},
-        level: {type: 'string'},
-        config: {type: 'object'}
+        level: {type: 'string'}
       }
     }
   }
 
+  static get jsonAttributes() {
+    return ['config']
+  }
+
   static async getLoggers() {
     return WIKI.models.loggers.query()
   }
diff --git a/server/models/renderers.js b/server/models/renderers.js
index 58b51776..f88f609c 100644
--- a/server/models/renderers.js
+++ b/server/models/renderers.js
@@ -22,12 +22,15 @@ module.exports = class Renderer extends Model {
 
       properties: {
         key: {type: 'string'},
-        isEnabled: {type: 'boolean'},
-        config: {type: 'object'}
+        isEnabled: {type: 'boolean'}
       }
     }
   }
 
+  static get jsonAttributes() {
+    return ['config']
+  }
+
   static async getRenderers() {
     return WIKI.models.renderers.query()
   }
diff --git a/server/models/searchEngines.js b/server/models/searchEngines.js
index 963e5ffa..e827c998 100644
--- a/server/models/searchEngines.js
+++ b/server/models/searchEngines.js
@@ -22,12 +22,15 @@ module.exports = class SearchEngine extends Model {
       properties: {
         key: {type: 'string'},
         isEnabled: {type: 'boolean'},
-        level: {type: 'string'},
-        config: {type: 'object'}
+        level: {type: 'string'}
       }
     }
   }
 
+  static get jsonAttributes() {
+    return ['config']
+  }
+
   static async getSearchEngines() {
     return WIKI.models.searchEngines.query()
   }
diff --git a/server/models/settings.js b/server/models/settings.js
index bf6fba24..14bc6506 100644
--- a/server/models/settings.js
+++ b/server/models/settings.js
@@ -13,17 +13,20 @@ module.exports = class Setting extends Model {
   static get jsonSchema () {
     return {
       type: 'object',
-      required: ['key', 'value'],
+      required: ['key'],
 
       properties: {
         key: {type: 'string'},
-        value: {type: 'object'},
         createdAt: {type: 'string'},
         updatedAt: {type: 'string'}
       }
     }
   }
 
+  static get jsonAttributes() {
+    return ['value']
+  }
+
   $beforeUpdate() {
     this.updatedAt = new Date().toISOString()
   }
diff --git a/server/models/storage.js b/server/models/storage.js
index 9ed7d91d..959c9df9 100644
--- a/server/models/storage.js
+++ b/server/models/storage.js
@@ -24,12 +24,15 @@ module.exports = class Storage extends Model {
       properties: {
         key: {type: 'string'},
         isEnabled: {type: 'boolean'},
-        mode: {type: 'string'},
-        config: {type: 'object'}
+        mode: {type: 'string'}
       }
     }
   }
 
+  static get jsonAttributes() {
+    return ['config']
+  }
+
   static async getTargets() {
     return WIKI.models.storage.query()
   }