adding exercise for docker compose

Teil1/db/Dockerfile

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+# Use the official MySQL image from Docker Hub
+FROM mysql:latest
+
+# Set environment variables
+ENV MYSQL_ROOT_PASSWORD=root_password
+ENV MYSQL_DATABASE=employees
+
+# Copy the SQL initialization script into the container
+COPY init.sql /docker-entrypoint-initdb.d/
+
+# Expose port 3306 to allow external connections to the database
+EXPOSE 3306

Teil1/db/init.sql

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+CREATE DATABASE employees;
+USE employees;
+
+
+CREATE TABLE employee_data (
+  Employee_Name VARCHAR(50),
+  Title VARCHAR(50)
+);
+
+
+INSERT INTO employee_data
+  (Employee_Name, Title)
+VALUES
+  ('Amit Khanna', 'Manager'),
+  ('Anjali Gupta', 'Engineer');