diff --git a/api/datamart/knexfile.js b/api/datamart/knexfile.js
index 7b5dcd50463..d186f59b294 100644
--- a/api/datamart/knexfile.js
+++ b/api/datamart/knexfile.js
@@ -1,51 +1,22 @@
 import * as url from 'node:url';
 const __dirname = url.fileURLToPath(new URL('.', import.meta.url));
 import * as dotenv from 'dotenv';
+
+import { buildPostgresEnvironment } from '../db/utils/build-postgres-environment.js';
 dotenv.config({ path: `${__dirname}/../.env` });
 
-function localPostgresEnv(databaseUrl, knexAsyncStacktraceEnabled) {
-  return {
-    client: 'postgresql',
-    connection: databaseUrl,
-    pool: {
-      min: 1,
-      max: 4,
-    },
-    migrations: {
-      tableName: 'knex_migrations',
-      directory: './migrations',
-      loadExtensions: ['.js'],
-    },
-    seeds: {
-      directory: './seeds',
-      loadExtensions: ['.js'],
-      asyncStackTraces: knexAsyncStacktraceEnabled !== 'false',
-    },
-  };
-}
+const baseConfiguration = {
+  migrationsDirectory: './migrations/',
+  seedsDirectory: './seeds/',
+  databaseUrl: process.env.DATAMART_DATABASE_URL,
+};
+
 const environments = {
-  development: localPostgresEnv(process.env.DATAMART_DATABASE_URL, process.env.KNEX_ASYNC_STACKTRACE_ENABLED),
+  development: buildPostgresEnvironment(baseConfiguration),
 
-  test: localPostgresEnv(process.env.TEST_DATAMART_DATABASE_URL, process.env.KNEX_ASYNC_STACKTRACE_ENABLED),
+  test: buildPostgresEnvironment({ ...baseConfiguration, databaseUrl: process.env.TEST_DATAMART_DATABASE_URL }),
 
-  production: {
-    client: 'postgresql',
-    connection: process.env.DATAMART_DATABASE_URL,
-    pool: {
-      min: 1,
-      max: 4,
-    },
-    migrations: {
-      tableName: 'knex_migrations',
-      directory: './migrations',
-      loadExtensions: ['.js'],
-    },
-    seeds: {
-      directory: './seeds',
-      loadExtensions: ['.js'],
-    },
-    asyncStackTraces: process.env.KNEX_ASYNC_STACKTRACE_ENABLED !== 'false',
-  },
+  production: buildPostgresEnvironment(baseConfiguration),
 };
 
 export default environments;
diff --git a/api/db/knexfile.js b/api/db/knexfile.js
index 80eba977ff4..7a6eb650ef3 100644
--- a/api/db/knexfile.js
+++ b/api/db/knexfile.js
@@ -1,51 +1,29 @@
 import * as url from 'node:url';
 const __dirname = url.fileURLToPath(new URL('.', import.meta.url));
 import * as dotenv from 'dotenv';
+
+import { buildPostgresEnvironment } from './utils/build-postgres-environment.js';
 dotenv.config({ path: `${__dirname}/../.env` });
 
-function localPostgresEnv(databaseUrl, knexAsyncStacktraceEnabled) {
-  return {
-    client: 'postgresql',
-    connection: databaseUrl,
-    pool: {
-      min: 1,
-      max: 4,
-    },
-    migrations: {
-      tableName: 'knex_migrations',
-      directory: './migrations',
-      loadExtensions: ['.js'],
-    },
-    seeds: {
-      directory: './seeds',
-      loadExtensions: ['.js'],
-    },
-    asyncStackTraces: knexAsyncStacktraceEnabled !== 'false',
-  };
-}
-const environments = {
-  development: localPostgresEnv(process.env.DATABASE_URL, process.env.KNEX_ASYNC_STACKTRACE_ENABLED),
+const baseConfiguration = {
+  migrationsDirectory: './migrations/',
+  seedsDirectory: './seeds/',
+  databaseUrl: process.env.DATABASE_URL,
+};
+
+export default {
+  development: buildPostgresEnvironment(baseConfiguration),
 
-  test: localPostgresEnv(process.env.TEST_DATABASE_URL, process.env.KNEX_ASYNC_STACKTRACE_ENABLED),
+  test: buildPostgresEnvironment({
+    ...baseConfiguration,
+    databaseUrl: process.env.TEST_DATABASE_URL,
+  }),
 
-  production: {
-    client: 'postgresql',
-    connection: process.env.DATABASE_URL,
+  production: buildPostgresEnvironment({
+    ...baseConfiguration,
     pool: {
-      min: parseInt(process.env.DATABASE_CONNECTION_POOL_MIN_SIZE, 10) || 1,
-      max: parseInt(process.env.DATABASE_CONNECTION_POOL_MAX_SIZE, 10) || 4,
-    },
-    migrations: {
-      tableName: 'knex_migrations',
-      directory: './migrations',
-      loadExtensions: ['.js'],
+      min: parseInt(process.env.DATABASE_CONNECTION_POOL_MIN_SIZE, 10),
+      max: parseInt(process.env.DATABASE_CONNECTION_POOL_MAX_SIZE, 10),
     },
-    seeds: {
-      directory: './seeds',
-      loadExtensions: ['.js'],
-    },
-    asyncStackTraces: process.env.KNEX_ASYNC_STACKTRACE_ENABLED !== 'false',
-  },
+  }),
 };
-
-export default environments;
diff --git a/api/db/utils/build-postgres-environment.js b/api/db/utils/build-postgres-environment.js
new file mode 100644
index 00000000000..0c17a0df0da
--- /dev/null
+++ b/api/db/utils/build-postgres-environment.js
@@ -0,0 +1,20 @@
+export function buildPostgresEnvironment({ databaseUrl, pool, migrationsDirectory, seedsDirectory }) {
+  return {
+    client: 'postgresql',
+    connection: databaseUrl,
+    pool: {
+      min: pool?.min || 1,
+      max: pool?.max || 4,
+    },
+    migrations: {
+      tableName: 'knex_migrations',
+      directory: migrationsDirectory,
+      loadExtensions: ['.js'],
+    },
+    seeds: {
+      directory: seedsDirectory,
+      loadExtensions: ['.js'],
+    },
+    asyncStackTraces: process.env.KNEX_ASYNC_STACKTRACE_ENABLED !== 'false',
+  };
+}