diff --git a/keyserver/src/database/migration-config.js b/keyserver/src/database/migration-config.js
new file mode 100644
--- /dev/null
+++ b/keyserver/src/database/migration-config.js
@@ -0,0 +1,85 @@
+// @flow
+
+import fs from 'fs';
+
+const migrations: $ReadOnlyMap<number, () => Promise<void>> = new Map([
+  [
+    0,
+    async () => {
+      await makeSureBaseRoutePathExists('facts/commapp_url.json');
+      await makeSureBaseRoutePathExists('facts/squadcal_url.json');
+    },
+  ],
+  [
+    1,
+    async () => {
+      try {
+        await fs.promises.unlink('facts/url.json');
+      } catch {}
+    },
+  ],
+  [
+    2,
+    async () => {
+      await fixBaseRoutePathForLocalhost('facts/commapp_url.json');
+      await fixBaseRoutePathForLocalhost('facts/squadcal_url.json');
+    },
+  ],
+]);
+
+async function makeSureBaseRoutePathExists(filePath: string): Promise<void> {
+  let readFile, json;
+  try {
+    readFile = await fs.promises.open(filePath, 'r');
+    const contents = await readFile.readFile('utf8');
+    json = JSON.parse(contents);
+  } catch {
+    return;
+  } finally {
+    if (readFile) {
+      await readFile.close();
+    }
+  }
+  if (json.baseRoutePath) {
+    return;
+  }
+  let baseRoutePath;
+  if (json.baseDomain === 'http://localhost') {
+    baseRoutePath = json.basePath;
+  } else if (filePath.endsWith('commapp_url.json')) {
+    baseRoutePath = '/commweb/';
+  } else {
+    baseRoutePath = '/';
+  }
+  const newJSON = { ...json, baseRoutePath };
+  console.warn(`updating ${filePath} to ${JSON.stringify(newJSON)}`);
+  const writeFile = await fs.promises.open(filePath, 'w');
+  await writeFile.writeFile(JSON.stringify(newJSON, null, '  '), 'utf8');
+  await writeFile.close();
+}
+
+async function fixBaseRoutePathForLocalhost(filePath: string): Promise<void> {
+  let readFile, json;
+  try {
+    readFile = await fs.promises.open(filePath, 'r');
+    const contents = await readFile.readFile('utf8');
+    json = JSON.parse(contents);
+  } catch {
+    return;
+  } finally {
+    if (readFile) {
+      await readFile.close();
+    }
+  }
+  if (json.baseDomain !== 'http://localhost') {
+    return;
+  }
+  const baseRoutePath = '/';
+  json = { ...json, baseRoutePath };
+  console.warn(`updating ${filePath} to ${JSON.stringify(json)}`);
+  const writeFile = await fs.promises.open(filePath, 'w');
+  await writeFile.writeFile(JSON.stringify(json, null, '  '), 'utf8');
+  await writeFile.close();
+}
+
+export { migrations };
diff --git a/keyserver/src/database/migrations.js b/keyserver/src/database/migrations.js
--- a/keyserver/src/database/migrations.js
+++ b/keyserver/src/database/migrations.js
@@ -1,93 +1,13 @@
 // @flow
 
-import fs from 'fs';
 import type { QueryResults } from 'mysql';
 
 import { getMessageForException } from 'lib/utils/errors';
 
 import { dbQuery, SQL } from './database';
+import { migrations } from './migration-config';
 import { setupDB } from './setup-db';
 
-async function makeSureBaseRoutePathExists(filePath: string): Promise<void> {
-  let readFile, json;
-  try {
-    readFile = await fs.promises.open(filePath, 'r');
-    const contents = await readFile.readFile('utf8');
-    json = JSON.parse(contents);
-  } catch {
-    return;
-  } finally {
-    if (readFile) {
-      await readFile.close();
-    }
-  }
-  if (json.baseRoutePath) {
-    return;
-  }
-  let baseRoutePath;
-  if (json.baseDomain === 'http://localhost') {
-    baseRoutePath = json.basePath;
-  } else if (filePath.endsWith('commapp_url.json')) {
-    baseRoutePath = '/commweb/';
-  } else {
-    baseRoutePath = '/';
-  }
-  const newJSON = { ...json, baseRoutePath };
-  console.warn(`updating ${filePath} to ${JSON.stringify(newJSON)}`);
-  const writeFile = await fs.promises.open(filePath, 'w');
-  await writeFile.writeFile(JSON.stringify(newJSON, null, '  '), 'utf8');
-  await writeFile.close();
-}
-
-async function fixBaseRoutePathForLocalhost(filePath: string): Promise<void> {
-  let readFile, json;
-  try {
-    readFile = await fs.promises.open(filePath, 'r');
-    const contents = await readFile.readFile('utf8');
-    json = JSON.parse(contents);
-  } catch {
-    return;
-  } finally {
-    if (readFile) {
-      await readFile.close();
-    }
-  }
-  if (json.baseDomain !== 'http://localhost') {
-    return;
-  }
-  const baseRoutePath = '/';
-  json = { ...json, baseRoutePath };
-  console.warn(`updating ${filePath} to ${JSON.stringify(json)}`);
-  const writeFile = await fs.promises.open(filePath, 'w');
-  await writeFile.writeFile(JSON.stringify(json, null, '  '), 'utf8');
-  await writeFile.close();
-}
-
-const migrations: $ReadOnlyMap<number, () => Promise<void>> = new Map([
-  [
-    0,
-    async () => {
-      await makeSureBaseRoutePathExists('facts/commapp_url.json');
-      await makeSureBaseRoutePathExists('facts/squadcal_url.json');
-    },
-  ],
-  [
-    1,
-    async () => {
-      try {
-        await fs.promises.unlink('facts/url.json');
-      } catch {}
-    },
-  ],
-  [
-    2,
-    async () => {
-      await fixBaseRoutePathForLocalhost('facts/commapp_url.json');
-      await fixBaseRoutePathForLocalhost('facts/squadcal_url.json');
-    },
-  ],
-]);
-
 async function migrate(): Promise<boolean> {
   let dbVersion = null;
   try {