diff --git a/Teil1/app/Dockerfile b/Teil1/app/Dockerfile
new file mode 100644
index 0000000..29765d6
--- /dev/null
+++ b/Teil1/app/Dockerfile
@@ -0,0 +1,14 @@
+# Example of Dockerfile
+
+FROM python:3.8.5-alpine3.12
+
+WORKDIR /app
+
+EXPOSE 5000
+ENV FLASK_APP=app.py
+
+COPY . /app
+RUN pip install -r requirements.txt
+
+ENTRYPOINT [ "flask"]
+CMD [ "run", "--host=0.0.0.0" ]
diff --git a/Teil1/app/app.py b/Teil1/app/app.py
new file mode 100644
index 0000000..4b9d90f
--- /dev/null
+++ b/Teil1/app/app.py
@@ -0,0 +1,100 @@
+from flask import Flask, request, jsonify, render_template
+import mysql.connector
+
+app = Flask(__name__)
+
+def employee_data():
+ # Connect to MySQL database
+ conn = mysql.connector.connect(
+ host='db', # Use the IP address or hostname of the MySQL container
+ port='3306', # MySQL port
+ user='root', # MySQL username
+ password='root_password', # MySQL password
+ database='employees' # Name of the database
+ )
+
+ # Create a cursor object to execute SQL commands
+ cursor = conn.cursor()
+
+ cursor.execute('SELECT Employee_Name, Title FROM employee_data')
+ results = cursor.fetchall()
+ cursor.close()
+ conn.close()
+ return results
+
+# Endpoint to add a new entry to the database
+@app.route('/add', methods=['POST'])
+def add_entry():
+ # Connect to MySQL database
+ conn = mysql.connector.connect(
+ host='db', # Use the IP address or hostname of the MySQL container
+ port='3306', # MySQL port
+ user='root', # MySQL username
+ password='root_password', # MySQL password
+ database='employees' # Name of the database
+ )
+
+ # Create a cursor object to execute SQL commands
+ cursor = conn.cursor()
+
+ # Get data from request
+ data = request.get_json()
+ employee_name = data.get('employee_name')
+ title = data.get('title')
+
+ # SQL query to insert data into the employee_data table
+ sql_query = "INSERT INTO employee_data (Employee_Name, Title) VALUES (%s, %s)"
+
+ try:
+ # Execute the SQL query
+ cursor.execute(sql_query, (employee_name, title))
+ # Commit the transaction
+ conn.commit()
+ cursor.close()
+ conn.close()
+ return jsonify({'message': 'Entry added successfully'}), 200
+ except Exception as e:
+ # Rollback in case of any error
+ conn.rollback()
+ cursor.close()
+ conn.close()
+ return jsonify({'error': str(e)}), 500
+
+# Endpoint to list all entries in the database
+@app.route('/entries', methods=['GET'])
+def get_entries():
+ # Connect to MySQL database
+ conn = mysql.connector.connect(
+ host='db', # Use the IP address or hostname of the MySQL container
+ port='3306', # MySQL port
+ user='root', # MySQL username
+ password='root_password', # MySQL password
+ database='employees' # Name of the database
+ )
+
+ # Create a cursor object to execute SQL commands
+ cursor = conn.cursor()
+ # SQL query to select all entries from the employee_data table
+ sql_query = "SELECT * FROM employee_data"
+
+ # Execute the SQL query
+ cursor.execute(sql_query)
+ # Fetch all entries
+ entries = cursor.fetchall()
+
+ # Convert entries to JSON format
+ entries_json = [{'Employee_Name': entry[0], 'Title': entry[1]} for entry in entries]
+ cursor.close()
+ conn.close()
+ return jsonify(entries_json), 200
+
+@app.route('/')
+def index():
+ #return jsonify({'Employee Data': employee_data()})
+ entries = employee_data()
+ return render_template('index.html', entries=entries)
+ #return "Hello world"
+
+if __name__ == '__main__':
+ #app.run(debug = True, host='0.0.0.0')
+ app.run()
diff --git a/Teil1/app/requirements.txt b/Teil1/app/requirements.txt
new file mode 100644
index 0000000..37806b7
--- /dev/null
+++ b/Teil1/app/requirements.txt
@@ -0,0 +1,2 @@
+Flask
+mysql-connector
diff --git a/Teil1/app/templates/index.html b/Teil1/app/templates/index.html
new file mode 100644
index 0000000..2bbf22f
--- /dev/null
+++ b/Teil1/app/templates/index.html
@@ -0,0 +1,37 @@
+
+
+
+
+
+ MySQL Database Entries
+
+
+
+ SQLite Database Entries
+
+
+ | Name |
+ Position |
+
+
+ {% for entry in entries %}
+
+ | {{ entry[0] }} |
+ {{ entry[1] }} |
+
+
+ {% endfor %}
+
+
+
+
diff --git a/Teil1/db/Dockerfile b/Teil1/db/Dockerfile
new file mode 100644
index 0000000..c7db0f1
--- /dev/null
+++ b/Teil1/db/Dockerfile
@@ -0,0 +1,12 @@
+# 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
diff --git a/Teil1/db/init.sql b/Teil1/db/init.sql
new file mode 100755
index 0000000..a6422a0
--- /dev/null
+++ b/Teil1/db/init.sql
@@ -0,0 +1,15 @@
+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');
diff --git a/Teil2/app/Dockerfile b/Teil2/app/Dockerfile
new file mode 100644
index 0000000..29765d6
--- /dev/null
+++ b/Teil2/app/Dockerfile
@@ -0,0 +1,14 @@
+# Example of Dockerfile
+
+FROM python:3.8.5-alpine3.12
+
+WORKDIR /app
+
+EXPOSE 5000
+ENV FLASK_APP=app.py
+
+COPY . /app
+RUN pip install -r requirements.txt
+
+ENTRYPOINT [ "flask"]
+CMD [ "run", "--host=0.0.0.0" ]
diff --git a/Teil2/app/app.py b/Teil2/app/app.py
new file mode 100644
index 0000000..4b9d90f
--- /dev/null
+++ b/Teil2/app/app.py
@@ -0,0 +1,100 @@
+from flask import Flask, request, jsonify, render_template
+import mysql.connector
+
+app = Flask(__name__)
+
+def employee_data():
+ # Connect to MySQL database
+ conn = mysql.connector.connect(
+ host='db', # Use the IP address or hostname of the MySQL container
+ port='3306', # MySQL port
+ user='root', # MySQL username
+ password='root_password', # MySQL password
+ database='employees' # Name of the database
+ )
+
+ # Create a cursor object to execute SQL commands
+ cursor = conn.cursor()
+
+ cursor.execute('SELECT Employee_Name, Title FROM employee_data')
+ results = cursor.fetchall()
+ cursor.close()
+ conn.close()
+ return results
+
+# Endpoint to add a new entry to the database
+@app.route('/add', methods=['POST'])
+def add_entry():
+ # Connect to MySQL database
+ conn = mysql.connector.connect(
+ host='db', # Use the IP address or hostname of the MySQL container
+ port='3306', # MySQL port
+ user='root', # MySQL username
+ password='root_password', # MySQL password
+ database='employees' # Name of the database
+ )
+
+ # Create a cursor object to execute SQL commands
+ cursor = conn.cursor()
+
+ # Get data from request
+ data = request.get_json()
+ employee_name = data.get('employee_name')
+ title = data.get('title')
+
+ # SQL query to insert data into the employee_data table
+ sql_query = "INSERT INTO employee_data (Employee_Name, Title) VALUES (%s, %s)"
+
+ try:
+ # Execute the SQL query
+ cursor.execute(sql_query, (employee_name, title))
+ # Commit the transaction
+ conn.commit()
+ cursor.close()
+ conn.close()
+ return jsonify({'message': 'Entry added successfully'}), 200
+ except Exception as e:
+ # Rollback in case of any error
+ conn.rollback()
+ cursor.close()
+ conn.close()
+ return jsonify({'error': str(e)}), 500
+
+# Endpoint to list all entries in the database
+@app.route('/entries', methods=['GET'])
+def get_entries():
+ # Connect to MySQL database
+ conn = mysql.connector.connect(
+ host='db', # Use the IP address or hostname of the MySQL container
+ port='3306', # MySQL port
+ user='root', # MySQL username
+ password='root_password', # MySQL password
+ database='employees' # Name of the database
+ )
+
+ # Create a cursor object to execute SQL commands
+ cursor = conn.cursor()
+ # SQL query to select all entries from the employee_data table
+ sql_query = "SELECT * FROM employee_data"
+
+ # Execute the SQL query
+ cursor.execute(sql_query)
+ # Fetch all entries
+ entries = cursor.fetchall()
+
+ # Convert entries to JSON format
+ entries_json = [{'Employee_Name': entry[0], 'Title': entry[1]} for entry in entries]
+ cursor.close()
+ conn.close()
+ return jsonify(entries_json), 200
+
+@app.route('/')
+def index():
+ #return jsonify({'Employee Data': employee_data()})
+ entries = employee_data()
+ return render_template('index.html', entries=entries)
+ #return "Hello world"
+
+if __name__ == '__main__':
+ #app.run(debug = True, host='0.0.0.0')
+ app.run()
diff --git a/Teil2/app/requirements.txt b/Teil2/app/requirements.txt
new file mode 100644
index 0000000..37806b7
--- /dev/null
+++ b/Teil2/app/requirements.txt
@@ -0,0 +1,2 @@
+Flask
+mysql-connector
diff --git a/Teil2/app/templates/index.html b/Teil2/app/templates/index.html
new file mode 100644
index 0000000..2bbf22f
--- /dev/null
+++ b/Teil2/app/templates/index.html
@@ -0,0 +1,37 @@
+
+
+
+
+
+ MySQL Database Entries
+
+
+
+ SQLite Database Entries
+
+
+ | Name |
+ Position |
+
+
+ {% for entry in entries %}
+
+ | {{ entry[0] }} |
+ {{ entry[1] }} |
+
+
+ {% endfor %}
+
+
+
+
diff --git a/Teil2/compose.yml b/Teil2/compose.yml
new file mode 100644
index 0000000..08f7ea7
--- /dev/null
+++ b/Teil2/compose.yml
@@ -0,0 +1,21 @@
+services:
+ app:
+ build: ./app
+ links:
+ - db
+ ports:
+ - "5000:5000"
+ depends_on:
+ - db
+
+ db:
+ image: mysql:5.7
+ ports:
+ - "3306:3306"
+
+ environment:
+ MYSQL_ROOT_PASSWORD: root_password
+ volumes:
+ - ./db/init.sql:/docker-entrypoint-initdb.d/init.sql
+ - ./data:/var/lib/mysql
+
diff --git a/Teil2/db/init.sql b/Teil2/db/init.sql
new file mode 100755
index 0000000..a6422a0
--- /dev/null
+++ b/Teil2/db/init.sql
@@ -0,0 +1,15 @@
+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');
diff --git a/Teil2/main.c b/Teil2/main.c
new file mode 100644
index 0000000..214cbc9
--- /dev/null
+++ b/Teil2/main.c
@@ -0,0 +1,71 @@
+#include
+#include
+#include
+#include
+#include
+#include
+
+#define PORT 5000
+#define BUFFER_SIZE 1024
+
+int main(int argc, char *argv[]) {
+ char *endpoint = "";
+ char *data = ""; // Data to be sent in the POST request
+ if (argc > 1) {
+ endpoint = argv[1];
+ }
+ if (argc > 2) {
+ data = argv[2];
+ }
+
+ char request[BUFFER_SIZE];
+ snprintf(request, BUFFER_SIZE, "POST /%s HTTP/1.1\r\nHost: localhost:5000\r\nContent-Type: application/json\r\nContent-Length: %ld\r\n\r\n%s", endpoint, strlen(data), data);
+
+ int sockfd;
+ struct sockaddr_in server_addr;
+ char buffer[BUFFER_SIZE];
+
+ // Create socket
+ sockfd = socket(AF_INET, SOCK_STREAM, 0);
+ if (sockfd < 0) {
+ perror("Error in socket creation");
+ exit(EXIT_FAILURE);
+ }
+
+ // Set up server address
+ server_addr.sin_family = AF_INET;
+ server_addr.sin_addr.s_addr = inet_addr("127.0.0.1");
+ server_addr.sin_port = htons(PORT);
+
+ // Connect to server
+ if (connect(sockfd, (struct sockaddr *)&server_addr, sizeof(server_addr)) < 0) {
+ perror("Error in connection");
+ exit(EXIT_FAILURE);
+ }
+
+ // Send HTTP request
+ if (send(sockfd, request, strlen(request), 0) != strlen(request)) {
+ perror("Error in sending request");
+ exit(EXIT_FAILURE);
+ }
+
+ // Receive data from server
+ ssize_t total_bytes_received = 0;
+ ssize_t bytes_received;
+ while ((bytes_received = recv(sockfd, buffer, BUFFER_SIZE, 0)) > 0) {
+ // Display received data
+ fwrite(buffer, 1, bytes_received, stdout);
+ total_bytes_received += bytes_received;
+ }
+
+ if (bytes_received < 0) {
+ perror("Error in receiving data");
+ exit(EXIT_FAILURE);
+ }
+
+ // Close socket
+ close(sockfd);
+
+ return 0;
+}
+