python-mysqlHow can I use Python, MySQL, and Docker together in software development?
Python, MySQL, and Docker can be used together in software development to create a powerful development environment. For example, a web application can be developed using Python, MySQL, and Docker to create a lightweight, isolated, and highly scalable environment.
Example code
# Create a Docker container using MySQL
docker run -d --name mysql-container -e MYSQL_ROOT_PASSWORD=password -e MYSQL_DATABASE=mydb -p 3306:3306 mysql
# Connect to the MySQL container from Python
import mysql.connector
mydb = mysql.connector.connect(
host="localhost",
user="root",
passwd="password",
database="mydb"
)
mycursor = mydb.cursor()
# Execute an SQL query
mycursor.execute("SELECT * FROM customers")
# Print the results
for x in mycursor:
print(x)
Output example
('John', 'Doe', '[email protected]')
('Mary', 'Moe', '[email protected]')
('Julie', 'Dooley', '[email protected]')
The code above creates a Docker container using MySQL, connects to the container from Python, and executes an SQL query. The output shows the results of the query.
Code explanation
docker run -d --name mysql-container -e MYSQL_ROOT_PASSWORD=password -e MYSQL_DATABASE=mydb -p 3306:3306 mysql
: This command creates a Docker container using MySQL.import mysql.connector
: This imports the MySQL Connector Python module.mydb = mysql.connector.connect(host="localhost", user="root", passwd="password", database="mydb")
: This connects to the MySQL container from Python.mycursor.execute("SELECT * FROM customers")
: This executes an SQL query.for x in mycursor: print(x)
: This prints the results of the query.
Helpful links
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