New: tooling_container

Einheit_4/tooling_container/Dockerfile

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+FROM mcr.microsoft.com/mssql-tools
+WORKDIR /App
+
+# Copy everything
+COPY ../../Einheit_1/2025_5BHITN_Konstantin_Hintermayer_create_schema.sql ./01.sql
+COPY ../../Einheit_2/2025_5BHITN_Konstantin_Hintermayer_seed_database.sql ./02.sql
+COPY ../../Einheit_3/2025_5BHITN_Konstantin_Hintermayer_procedures_and_triggers.sql ./03.sql
+
+ENTRYPOINT ["sqlcmd", "-D", ""]

Einheit_4/tooling_container/entrypoint.sh

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+#!/bin/bash
+# Wait for SQL Server to boot up (adjust sleep if needed)
+echo "Waiting for SQL Server to start..."
+sleep 20s
+
+# Run the three SQL files using sqlcmd
+# -S: Server, -U: User, -P: Password (passed via ENV)
+echo "Applying SQL files..."
+
+for migration in $(ls . | grep -E '\.sql$')
+do
+    echo "Applying $migration."
+    /opt/mssql-tools/bin/sqlcmd -D $DSN_PASSWORD -i $migration.sql
+done
+
+echo "Database initialization complete."
+
+# Keep the container alive by bringing the background process to the foreground
+wait