chore(*): check file storage config with joi validations

src/startup/checkConfig.js

@@ -26,13 +26,61 @@ const throwRemovedError = key => {
   throw new ConfigSchemaError(`The "${key}" key has been removed.`)
 }
 
+const fileStorageRequired = errors => {
+  if (
+    errors.find(e => e.local.key === 'fileStorage' && e.code === 'any.required')
+  ) {
+    return new Error(
+      'fileStorage configuration is required when useFileStorage is true',
+    )
+  }
+
+  return errors
+}
+
 const schema = Joi.object({
+  fileStorage: Joi.when('useFileStorage', {
+    is: true,
+    then: Joi.object({
+      accessKeyId: Joi.string().required(),
+      secretAccessKey: Joi.string().required(),
+
+      bucket: Joi.string().required(),
+      region: Joi.string().optional(),
+
+      protocol: Joi.string().required(),
+      host: Joi.string().required(),
+      port: Joi.alternatives().try(Joi.string(), Joi.number()).required(),
+      minioConsolePort: Joi.alternatives()
+        .try(Joi.string(), Joi.number())
+        .required(),
+
+      s3ForcePathStyle: Joi.boolean().optional(),
+      s3SeparateDeleteOperations: Joi.boolean().optional(),
+
+      maximumWidthForSmallImages: Joi.alternatives()
+        .try(Joi.string(), Joi.number())
+        .optional(),
+      maximumWidthForMediumImages: Joi.alternatives()
+        .try(Joi.string(), Joi.number())
+        .optional(),
+    })
+      .required()
+      .error(errors => fileStorageRequired(errors)),
+    otherwise: Joi.any().forbidden().messages({
+      '*': 'Cannot use file storage key when useFileStorage is false',
+    }),
+  }),
+
   logger: Joi.object({
     info: Joi.func().required(),
     debug: Joi.func().required(),
     error: Joi.func().required(),
     warn: Joi.func().required(),
   }).optional(),
+
+  useFileStorage: Joi.boolean().optional(),
+  useJobQueue: Joi.boolean().optional(),
 })
 
 const check = () => {