PI06 i PI06-1. Docker definitions for MSSQL and Postgres. Data seeder/generator for countries and people. Entity Framework example with variants for Postgres and MSSQL

docker-definitions/mssql-eventsdb/init/01-create-db.sql

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+IF DB_ID(N'$(MSSQL_DB)') IS NULL
+BEGIN
+    DECLARE @createDatabase nvarchar(max) =
+        N'CREATE DATABASE [' + REPLACE(N'$(MSSQL_DB)', N']', N']]') + N'] COLLATE $(MSSQL_COLLATION);';
+
+    EXEC (@createDatabase);
+END;
+GO
+
+USE [$(MSSQL_DB)];
+GO
+
+IF NOT EXISTS (SELECT 1 FROM sys.server_principals WHERE name = N'$(APP_DB_USER)')
+BEGIN
+    DECLARE @createLogin nvarchar(max) =
+        N'CREATE LOGIN [' + REPLACE(N'$(APP_DB_USER)', N']', N']]') + N'] WITH PASSWORD = N''$(APP_DB_PASSWORD)'', CHECK_POLICY = OFF, CHECK_EXPIRATION = OFF;';
+
+    EXEC (@createLogin);
+END;
+GO
+
+IF NOT EXISTS (SELECT 1 FROM sys.database_principals WHERE name = N'$(APP_DB_USER)')
+BEGIN
+    DECLARE @createUser nvarchar(max) =
+        N'CREATE USER [' + REPLACE(N'$(APP_DB_USER)', N']', N']]') + N'] FOR LOGIN [' + REPLACE(N'$(APP_DB_USER)', N']', N']]') + N'];';
+
+    EXEC (@createUser);
+END;
+GO
+
+IF NOT EXISTS (
+    SELECT 1
+    FROM sys.database_role_members drm
+    INNER JOIN sys.database_principals role_principal ON role_principal.principal_id = drm.role_principal_id
+    INNER JOIN sys.database_principals member_principal ON member_principal.principal_id = drm.member_principal_id
+    WHERE role_principal.name = N'db_datareader'
+      AND member_principal.name = N'$(APP_DB_USER)'
+)
+BEGIN
+    ALTER ROLE db_datareader ADD MEMBER [$(APP_DB_USER)];
+END;
+GO
+
+IF NOT EXISTS (
+    SELECT 1
+    FROM sys.database_role_members drm
+    INNER JOIN sys.database_principals role_principal ON role_principal.principal_id = drm.role_principal_id
+    INNER JOIN sys.database_principals member_principal ON member_principal.principal_id = drm.member_principal_id
+    WHERE role_principal.name = N'db_datawriter'
+      AND member_principal.name = N'$(APP_DB_USER)'
+)
+BEGIN
+    ALTER ROLE db_datawriter ADD MEMBER [$(APP_DB_USER)];
+END;
+GO