docker-compose

Connect python app container, postgres container, and persistent database on external harddrive with docker compose Question: Using docker-compose, I am running a postgres container (db). The data itself is persistently stored on my Windows machine. And this works. I am unable to get another container running a python application to access the database. My docker-compose …

Can't Install Python Package onto Docker Question: Trying to install a package (flake8) onto a Docker container (or maybe it’s an image). I’ve pip installed the package locally, and when I try to pip install it again, I get: Requirement already satisfied: flake8 in c:python39libsite-packages (5.0.4) But then when I run this code snippet: docker-compose …

Docker-compose environment variable is not set Question: Project tree /backend .env.dev docker-compose-dev.yml /project I have the following warning: docker-compose -f docker-compose-dev.yml up –build # i am in the /backend directory WARNING: The DB_USER variable is not set. Defaulting to a blank string. WARNING: The DB_PASSWORD variable is not set. Defaulting to a blank string. WARNING: …

how to add playwright docker image to docker compose? Question: I am building Django app where I want to run Django and playwright images in 1 container in Docker Desktop (locally). Below you can see my docker-compose.yml file: version: ‘3.8’ services: web: build: ./docker_playwright_test command: python manage.py runserver 0.0.0.0:8000 volumes: – ./docker_playwright_test/:/usr/src/docker_playwright_test/ ports: – 8000:8000 …

How can I connect to a locally hosted site within a docker container? Question: I’m trying to connect to a docker container’s locally hosted address. I’m using Django to serve a website within the container, and I want to connect to it on my local machine. How can I access this site from my local …

Python, Mqtt : can publish but can't receive message on docker Question: I’m running two dockers : one for the mqtt server using mosquitto the other using flask_mqtt the flask container is receiving the CONNACK and is sending the subscribe to the broker but never get any SUBACK however it manages to publish hello word …

How to get Airflow Docker ExternalPythonOperator working with in a python venv? Question: Situation Since 2022 Sept 19 The release of Apache Airflow 2.4.0 Airflow supports ExternalPythonOperator I have asked the main contributors as well and I should be able to add 2 python virtual environments to the base image of Airflow Docker 2.4.1 and …

how can I save docker's database data locally on my server? Question: I’m running an app inside a docker container. That app uses docker Postgres image to save data in a database. I need to keep a local copy of this database’s data to avoid losing data if the container is removed or purged somehow …

Cannot connect to MySQL database container on Docker with Python script Question: When I try to connect to MySql Database my script get stuck. It simply does nothing. I use docker-compose.yml file (shown below) to run MySql database. version: ‘3.1’ services: db: image: mysql # NOTE: use of "mysql_native_password" is not recommended: https://dev.mysql.com/doc/refman/8.0/en/upgrading-from-previous-series.html#upgrade-caching-sha2-password # (this …

can't connect to mysql docker-compose Question: I can’t connect my docker app to my MySQL server. But I can connect the app to the server from my local machine. I use MySQL version 8.0.20 app.py: import mysql.connector server_config = { ‘user’: ‘my_user’, ‘password’: ‘my_password’, ‘host’: ‘127.0.0.1’, ‘database’: ‘db’, ‘port’: 3306, } conn = mysql.connector.connect(**server_config) cursor …