See what difference tmpfs mounts make on the data directories of each DB.

globalSetup.ts

@@ -62,6 +62,7 @@ export default async function setup() {
         },
       ])
       .withLabels({ "com.budibase": "true" })
+      .withTmpFs({ "/data": "rw" })
       .withReuse()
       .withWaitStrategy(
         Wait.forSuccessfulCommand(
@@ -72,6 +73,7 @@ export default async function setup() {
     const minio = new GenericContainer("minio/minio")
       .withExposedPorts(9000)
       .withCommand(["server", "/data"])
+      .withTmpFs({ "/data": "rw" })
       .withEnvironment({
         MINIO_ACCESS_KEY: "budibase",
         MINIO_SECRET_KEY: "budibase",

packages/server/src/integrations/tests/utils/mariadb.ts

@@ -30,6 +30,7 @@ export async function getDatasource(): Promise<Datasource> {
     ports = startContainer(
       new GenericContainer(MARIADB_IMAGE)
         .withExposedPorts(3306)
+        .withTmpFs({ "/var/lib/mysql": "rw" })
         .withEnvironment({ MARIADB_ROOT_PASSWORD: "password" })
         .withWaitStrategy(new MariaDBWaitStrategy())
     )

packages/server/src/integrations/tests/utils/mssql.ts

@@ -21,6 +21,7 @@ export async function getDatasource(): Promise<Datasource> {
           // version in production.
           MSSQL_PID: "Developer",
         })
+        .withTmpFs({ "/var/opt/mssql": "rw" })
         .withWaitStrategy(
           Wait.forSuccessfulCommand(
             "/opt/mssql-tools/bin/sqlcmd -S localhost -U sa -P Password_123 -q 'SELECT 1'"

packages/server/src/integrations/tests/utils/mysql.ts

@@ -34,6 +34,7 @@ export async function getDatasource(): Promise<Datasource> {
       new GenericContainer(MYSQL_IMAGE)
         .withExposedPorts(3306)
         .withEnvironment({ MYSQL_ROOT_PASSWORD: "password" })
+        .withTmpFs({ "/var/lib/mysql": "rw" })
         .withWaitStrategy(new MySQLWaitStrategy().withStartupTimeout(10000))
     )
   }

packages/server/src/integrations/tests/utils/oracle.ts

@@ -23,6 +23,9 @@ export async function getDatasource(): Promise<Datasource> {
         .withEnvironment({
           ORACLE_PASSWORD: password,
         })
+        .withTmpFs({
+          "/opt/oracle/oradata/FREEPDB1": "",
+        })
         .withWaitStrategy(Wait.forLogMessage("DATABASE IS READY TO USE!"))
     )
   }

packages/server/src/integrations/tests/utils/postgres.ts

@@ -13,6 +13,7 @@ export async function getDatasource(): Promise<Datasource> {
       new GenericContainer(POSTGRES_IMAGE)
         .withExposedPorts(5432)
         .withEnvironment({ POSTGRES_PASSWORD: "password" })
+        .withTmpFs({ "/var/lib/postgresql/data": "rw" })
         .withWaitStrategy(
           Wait.forSuccessfulCommand(
             "pg_isready -h localhost -p 5432"