Technerder

FROM eclipse-temurin:17-alpine

RUN apk --no-cache add curl

WORKDIR /opt/apps/musicbot
RUN addgroup -S musicbot && adduser --no-create-home -S -G musicbot musicbot
RUN chown musicbot:musicbot .
USER musicbot:musicbot

RUN curl https://github.com/jagrosh/MusicBot/releases/download/0.3.8/JMusicBot-0.3.8.jar --output JMusicBot.jar --location

Technerder

from cv2 import VideoCapture, waitKey
from pyzbar import pyzbar

camera = VideoCapture(0)

while not (waitKey(1) & 0xFF == ord('q')) and camera is None or camera.isOpened():
    for barcode in pyzbar.decode(camera.read()[1]):
        print(barcode.data.decode('UTF-8'))

camera.release()