from flask import Flask, render_template
import pymysql
app = Flask(__name__)
def getConnection():
	return pymysql.connect(
		host="localhost",
		db="hoge",
		user="fuga",
		password="hou",
		charset="utf8",
		cursorclass=pymysql.cursors.DictCursor
	)
@app.route("/")
def index():
	connection = getConnection()
	sql = "SELECT * FROM avalanche where id = 1"
	cursor = connection.cursor()
	cursor.execute(sql)
	results = cursor.fetchall()
	cursor.close()
	connection.close()
	return render_template('index.html', results=results)
if __name__ == "__main__":
	app.run(debug=True, host='0.0.0.0', port=5000)
なるほど
これをdockerでやりたい