Prefect docker compose. I am very new to docker.
Prefect docker compose. Docker Compose with Health Checks Use Docker Compose’s built-in health check functionality by including these lines in your Docker compose file: Jan 9, 2025 · Your docker-compose. This configuration includes a Prefect worker and connects to Docker for task execution: Jan 9, 2025 · To create Prefect workers using Docker or Docker Compose and run flows across different containers, here's a concise guide based on the available resources: ### Creating Prefect Workers with Docker 1. Below are the common setups and the key variables to set. It first copies all your prefect flows python files to the docker container and then executes it. Deploy a self-hosted Prefect server environment using Docker Compose, including PostgreSQL, Redis, server, background services, and worker. Oct 9, 2024 · Useful link to self-hosting guide for Prefect 3. Is Module containing the Docker worker used for executing flow runs as Docker containers. g. 1. 12 using docker-compose and when I shut it down I end up with some flows that are stuck in the "Running" state forever. Jul 25, 2024 · sh docker run -p 8000:8000 my-python-server ### Resources: - Docker Compose Guide: Prefect Docker Guide - Dockerizing Python Applications: Prefect Blog on Dockerizing Python Applications These examples and resources should help you set up a server using Docker Compose or Dockerfiles locally. yml at main · PrefectHQ/prefect In this example, you will set up: a Docker work pool: stores the infrastructure configuration for your deployment a Docker worker: process that polls the Prefect API for flow runs to execute as Docker containers a deployment: a flow that should run according to the configuration on your Docker work pool Then you can execute your deployment via the Prefect API (through the SDK, CLI, UI, etc Jan 13, 2025 · This setup allows you to run a Prefect server locally using Docker Compose, making it easy to manage and deploy. With just a few decorators, Prefect supercharges your code with features like automatic Feb 8, 2025 · Here's a basic docker-compose. - flavienbwk/prefect-docker-compose 6 days ago · prefect config view prefect profile inspect to see which PREFECT_API_URL was active when you ran the deploy. To create the docker image, execute the following command, replacing XXX with the database URL. e. 12 # Install necessary dependencies for docker worker pool RUN pip install prefect-docker and running it using this docker compose version: '3. , a different docker-compose stack or a local server you started earlier) while the UI is pointed at another. Aug 18, 2020 · Description We are trying to start the prefect server using prefect server start. For example, you might have a workflow that has expensive infrastructure requirements and runs infrequently. But if you wish to leverage docker compose to build e. Workers each have a type corresponding to the execution environment to submit flow runs to. x: Prefect 3. I tried to write the docker compose below following this example. - Create a Docker work pool if it doesn't exist. - dougvancan/prefect-docker-compose-full Jul 11, 2024 · Does anyone have a working docker compose file for Prefect 3 to be used with external database? 3. It’s common for the CLI to be pointed at one API (e. In Prefect 3. /flows:/root/flows". Environment Configuration: Create a . Specifically, I have some flows with long running tasks, and a separate process that runs them periodically as a deployment. You will need services for Prefect, and possibly for your application if it includes other components like databases or APIs. storage import Docker @task def hello_task (): logger = prefect. Contribute to wsargent/prefect-notifications development by creating an account on GitHub. 0:4200/api>. 10. I want to setup prefect using dockers on my local. Docker Compose for streamlining the operation of several services in parallel. @Marvin How can I setup a healtcheck for the container m Marvin 03/24/2025, 9:06 AM Jan 15, 2025 · I'm trying to implement Authentication for Prefect Open Source while hosting the server locally. serve method allows you to easily elevate a flow to a deployment, listening for scheduled work to execute as a local process. 14-python3. env_template. You can override any deployment configuration through options available on Jul 15, 2025 · Improve Prefect Docker compose + documentationetx121 started this conversation in Improvement Requests Improve Prefect Docker compose + documentation #6199 etx121 Jul 15, 2025 · 0 comments Return to top Discussion options Oct 8, 2024 · Now on another server I have made a docker worker using these configurations # Dockerfile FROM prefecthq/prefect:3. In this case, you don’t want an idle process running within that Jul 16, 2025 · < Marvin> can you create a docker compose for me to run a self hosted prefect I would need a custom cli worker because I need to import external libraries Deploy mlflow and Prefect with docker-compose. - dougvancan/prefect-docker-compose-full Oct 28, 2025 · Those “relation does not exist” errors mean the Prefect database hasn’t been migrated yet. - Required: PostgreSQL with pg_trgm extension; Prefect Server. com Mar 31, 2024 · Deploying Prefect with Docker Compose provides a convenient and reproducible way to set up your workflow management system. Create . Feb 21, 2024 · Check the section on Prefect CLI. Since you're already seeing the logs via docker logs , you can modify your configuration to only use console logging (which Docker captures) and the database. docker-worker-1 | Worker 'DockerWorker c2c5aac2-9852-43d1-8462-b9e1192d0bd1' stopped! docker-worker-1 | httpcore. My docker-compose for Prefect server looks like this: services: db: image: postgres:latest environme Nov 25, 2022 · docker-compose scheduling prefect Follow this question to receive notifications asked Nov 25, 2022 at 12:14 harsh harsh Apr 11, 2024 · If you attempt to run this with the database inside a docker container, you may encounter networking issues. Jan 13, 2022 · So docker compose helps to build and run multiple dockerized services on a single host. 1. 4) Check environment mismatches (common on Linux) - Inside containers (including a worker running in compose), use Jul 9, 2024 · I'm new to Prefect and have a limited experience with Docker and I'm trying to deploy some existing Prefect flows so that they run inside a Docker container running an image I built myself, but Mar 14, 2025 · @Marvin I deploy prefect with docker compose. Run prefect agent start inside the docker image Make sure the flows are accessible by the docker image (i. x using Docker Compose and run flows with a Docker work pool, follow these steps: 1. ConnectError: All connection attempts failed How can I overcome this? Deploy Prefect OSS locally using docker-compose. dockerfile: Dockerfile Run a containerized Prefect server instance with Docker. As a result, when deployments are assigned to a work pool, you know in which execution environment scheduled flow runs for that deployment will The . Jan 15, 2025 · Hi all, I'm testing Prefect 3. 0 Set the API server address, PREFECT_API_URL, to use Prefect A simple guide to understand Prefect and make it work with your own docker-compose configuration. x, you have two supported ways to initialize (run migrations) against Postgres when using Docker Compose: Option A — Let the server migrate automatically on startup - Ensure the server container has a valid PREFECT_API_DATABASE_CONNECTION_URL (asyncpg DSN) and that migrations-on Work pools are a bridge between the Prefect orchestration layer and the infrastructure where flows are run. For more details, you can refer to the Prefect documentation or other resources you might find relevant. It's the simplest way to elevate a script into an interactive workflow application. In your docker-compose configuration, set these environment variables for your Prefect services: 6 days ago · < Marvin> how can i enable opentelemetry logs for prefect worker i want to do logging and monitoring my jobs that run by prefect worker currently i deploy worker by docker compose. - flavienbwk/prefect-docker-compose 1 day ago · @Marvin I am running a prefect server locally using docker compose, however, it dosent have any blocks installed, how do i set this? 1 day ago · @Marvin I am running a prefect server locally using docker compose, however, it dosent have any blocks installed, how do i set this? Sep 18, 2024 · Hello , I am trying to run a prefect in docker. yml file that demonstrates how to use Prefect Orion, the Prefect Agent, and even the Prefect CLI with Docker Compose. env. I was trying to use this for the prefect docker compose. With Prefect flows it's a bit different, because you only need to build the image with Docker and to run it you would use the Prefect backend API rather than docker run. See full list on github. Note! The DockerRegistryCredentials in prefect-docker is a unique block, separate from the DockerRegistry in prefect core. environments. Problem Description: Hello Prefect Community, I am trying to deploy Prefect Server using Docker Compose on my Ubuntu 24. Mar 12, 2025 · docker-worker-1 | 11:44:43. In this example we show how to run a flow in Docker container on your local machine, but you could use a Docker container on any machine that has Docker installed. yml. Option A: expose the server directly on a host port - In your docker-compose for the server container: - Publish the Oct 17, 2024 · < Marvin> I have a docker compose setup with a prefect server and a prefect worker all in a remote machine I ve setup PREFECT API URL on the worker to point to <http server 4200 api> and set the PREFE Oct 7, 2020 · The way i ended up achieve this is as follows: Run prefect server start on the server (i. by mounting a shared volume between the image and the server for example) You can see the source of my answer here. Apparently docker-compose in docker is not a good idea. Docker compose with Prefect 3 and ntfy. Oct 20, 2020 · Description Not able to fire up local prefect server backend / prefect server start environment variables are not loaded when server. multiple base images for your flow, then this could work, but not with Docker 2 days ago · A minimal, sustainable setup - Control plane VM (self-hosted Prefect Server) - Run Prefect Server + Postgres with Docker Compose. Jul 11, 2024 · Does anyone have a working docker compose file for Prefect 3 to be used with external database? 3. 0 Set the API server address, PREFECT_API_URL, to use Prefect Jul 3, 2025 · < Marvin> I have the following docker compose file but when I access <http prefect example com|prefect example com> I get the error Can t connect to Server API at Sep 10, 2021 · Data scientists and analysts often shy away from packaging their Python work into Docker containers for production. env file or your environment. If you’re running a server in a Docker container, you need to: Port forward the server to your local machine (e. get ("logger Jun 23, 2023 · Prefect for workflow orchestration. Sep 7, 2021 · You should almost never use the docker:dind image; what led you to start from this as a base for your application? Is it a C, Rust, or Python application? (If it's a wrapper that runs docker-compose, you probably need to run it from the host and not inside a container itself. Prefect can manage Docker containers directly through its deployment and worker pool configurations. However, if it's run as a local user without privileges it tells that docker is not running even if it does. Run the following command to start the PostgreSQL container: Docker Compose with Health Checks Use Docker Compose’s built-in health check functionality by including these lines in your Docker compose file: Install prefect-docker The following command will install a version of prefect-docker compatible with your installed version of prefect. Start OpenMetadata containers Jul 28, 2025 · @Marvin I tried to use docker compose to deploy a self-hosted Prefect server environment, but the error occurs: Can't connect to Server API at <http://0. 16 version docker-compose. The server uses prefecthq/prefect:3. -p 4200:4200) Set the --host flag on the prefect server start command to 0. < Marvin> Please provide a docker compose file to run prefect 3 in a docker container A Docker Compose setup for deploying Prefect. Then, navigate to the directory openmetadata-docker containing the docker-compose. x using Docker Compose, you can follow these steps: 1. I'm trying to get more comfortable with using prefect and docker, my aim here is to have a prefect server + agent setup in a docker container on the same network which will be hosted on a VM to execute work for me. yaml file for setting up Prefect 3. A repository that makes it easy to get up and running with Prefect 2 using Docker Compose. 3-python3. But it seems that there is no proper docker compose file for prefect. You can instead build a Dockerfile image locally (copy your flows to it) and use that also. With Prefect, you can build resilient, dynamic workflows that react to the world around them and recover from unexpected changes. ) Oct 16, 2024 · Hi, I'm trying to use Prefect in a staging level of my project, but when I start my Docker I get the following logs: The `PREFECT_API_URL` setting for your current profile doesn't match the address Prefect is an open-source orchestration engine that turns your Python functions into production-grade data pipelines with minimal friction. Set up Docker Work Pool: - Navigate to the Work Pools tab in the Prefect UI. yml file. You can use Prefect and MLflow by entering the Jupyter container and working with it. If you don’t already have prefect installed, it will install the newest version of prefect as well. - rpeden/prefect-docker-compose A repository that makes it easy to get up and running with Prefect 2 using Docker Compose. In the compose file you can see volumes: - ". Contribute to nicktids/prefect-docker-compose-minimal development by creating an account on GitHub. env file In docker-compose. Docker Compose Setup: If you're using Docker Compose, you can specify the volume mapping in Dec 5, 2024 · < Marvin> I am creating a docker compose using the <https hub docker com layers prefecthq prefect 3 1 6 dev2 python3 11 conda images sha256 A simple guide to understand Prefect and make it work with your own docker-compose configuration. yaml file contains: deployment configuration for deployments created from this file default instructions for how to build and push any necessary code artifacts (such as Docker images) default instructions for pulling a deployment in remote execution environments (for example, cloning a GitHub repository). I looked in this community. 2 using Docker. yaml, some parameters is loaded from . 2. Anything that is still running at the time docker compose down is executed will hang indefinitely. Using Prefect, you can write flows in Python that you then package and deploy as Docker containers. If you need a scalable, production-ready deployment, then the Helm chart on Kubernetes is suitable. Contribute to zotko/prefect-docker-compose-setup development by creating an account on GitHub. We also tried to start the server with a privi Oct 21, 2025 · Great question — you’ve got two pieces to solve: 1) make your self-hosted Prefect Server UI reachable to other machines, and 2) ensure all deployments/flows register to that same server so they show up at that URL. Does it require setting up multiple services or is it as simple as using prefect server start as the entrypoint? 🤔 Jul 10, 2025 · Yes, you can configure Prefect 3. Workers can only poll work pools that match their type. You can build and schedule workflows in pure Python—no DSLs or complex config files—and run them anywhere you can run Python. Deploy a self-hosted Prefect server environment using Docker Compose, including PostgreSQL, Redis, server, background services, and worker. 04 LTS machine. Run PostgreSQL: Start by setting up a PostgreSQL instance using Docker. Prefect server and Docker worker in separate container, when running flow, new container with run cannot connect to server container. py runs docker-compose up WARNING: The POSTGRES_DB variable is n Jan 25, 2024 · Microservices orchestration with Docker on Prefect Prefect is a workflow orchestration system that enables writing and monitoring complex microservices across your infrastructure. 6 days ago · Docs - Docker worker how-to: Docker worker guide - Self-hosted with docker-compose: Self-hosted docker-compose - Docker integration: prefect-docker integration If you want, I can tailor the compose snippet with your actual API URL and whether you’re using rootful or rootless Podman. Oct 7, 2020 · @snenkov I haven't tried this before (and I wouldn't necessarily recommend attempting to run the entire server off of docker compose in a single container) but my guess is for your use case you might need to mount a Docker daemon in order to use Docker-based commands from inside the container. 0rc images are listed on DockerHub but I can't seem to find example compose file in the docs. Install prefect-docker The following command will install a version of prefect-docker compatible with your installed version of prefect. If you need further assistance, feel free to ask! Nov 26, 2021 · An orchestration tool that helps you run and monitor flows, while maintaining their state and inspecting their progress. 8' services: prefect-worker: build: context: . 880 | ERROR | GlobalEventLoopThread | prefect. While DockerRegistry implements a few functionality from both DockerHost and DockerRegistryCredentials for convenience, it does not allow much configuration to interact with a Docker host. I want to have a healthcheck for my prefect server. g: docker-compose, Kubernetes) or offline use. env file to configure environment variables Run a containerized Prefect server instance with Docker. Prepare Environment Variables: - Create a . By following the steps outlined in this article and properly configuring your database and Docker Compose file, you can quickly get Prefect up and running. This is achieved by mounting the Docker socket into the container. yml file appears to be mostly correct for running a Prefect server and worker setup. Here's a step-by-step guide on how to do this: 1. A guide that mentions Docker within the Prefect documentation, but it seems to focus on Kubernetes deployment manifests rather than a Docker Compose file: Prefect Guides - Docker. The primary reason to use work pools is for dynamic infrastructure provisioning and configuration. Set following parameters in . Docker Compose Installing OpenMetadata Clone the prefect-openmetadata repository First, clone the latest version of the prefect-openmetadata Prefect Collection. 3. However, there are a couple of things you may want to consider: 1. The database service starts correctly, and the Prefect Server Mar 24, 2025 · I have a docker compose file initiating my database and self hosted prefect server. 0. The prefect. _internal. Prefect handles the heavy lifting for you out of the box: automatic state tracking, failure handling, real-time monitoring Jun 28, 2023 · Facing below error when setting up prefect server ```Traceback most recent call last File home infra prefect server bin docker compose line 8 in lt module gt sys exit Sep 5, 2025 · < Marvin> I have the following setup A docker compose file ```services prefect server image prefecthq prefect 3 latest environment PREFECT RESULTS DEFAULT SERIALIZER json PREFECT RESULTS PERSIST BY DE Jan 10, 2025 · To run your Prefect worker with the Docker socket mounted, you need to ensure that the Docker container running the Prefect worker has access to the Docker daemon on the host machine. If you'd like to explore what's possible with Prefect and Docker Compose in more depth, I've created a GitHub repository with a more comprehensive docker-compose. Apr 26, 2021 · `prefect server start` throws an error for me I think it s because docker is on root However I can t run `sudo ` I get `sudo prefect command not found` Is there a way Jan 16, 2025 · This is a common problem during development when using docker compose to bring up/shut down a development stack with long running processes. From our experience in supporting the Prefect community, a lot of data Jan 31, 2025 · You don't necessarily need a Docker Compose file if you're using Prefect's built-in Docker infrastructure capabilities. You can easily configure it by using . Again, this isn't a pattern we support and Prefect Server is broken up into separate services, served May 13, 2024 · However, this doesn't seem to provide the Docker Compose specifics you're asking for. Contribute to EmilRex/prefect-docker-compose development by creating an account on GitHub. Mar 19, 2025 · To set up Prefect on your server using Docker Compose and make it accessible from your local machine, follow these steps: 1. How can I fix that? Mar 8, 2024 · Hi, Does anyone has prefect 2. yml file with the minimal requirements to get started with OpenMetadata. a setup with postgres and a pref Prometheus Prefect Exporter. env file. not inside docker). Create a Docker Compose File: Define your services in a docker-compose. A code example related to the deployment of Prefect flows is found here. May 13, 2024 · trying to setup a new docker compose and its not working, it just exits after starting up. 0 Manage Self-Host These steps should help you get the Prefect server running in a Docker container, but be aware that specific details may vary based on your operating system or specific setup requirements. 2. However, this “local” process does not need to be on your local machine. I am very new to docker. context. A minimal docker compose for prefect. You can use the official Prefect Docker image to run a server in a container. - prefect/docker-compose. A simple guide to understand Prefect and make it work with your own docker-compose configuration. Jan 4, 2025 · To set up Prefect 3. Following instructions are Jul 12, 2025 · Describe the current behavior many users find value in docker compose to deploy prefect resources (server, worker, proxies etc) and historically we've not offered an opinionated or "official" compose. - trugosoft/prefect-docker-compose-1 Oct 1, 2024 · To set up Prefect server 3. I am also learning prefect very recently. Requires Prefect, Docker and Docker Compose. Oct 15, 2024 · < Marvin> I have a self hosted version of prefect server deployed with following docker compose It worked with the image prefecthq prefect 2 python3 10 but no more with the image prefecthq prefect 3 l mlflow-prefect-jupyter-docker-compose Deploy mlflow and Prefect with docker-compose. This allows you to package your Prefect instance for fully-containerized environments (e. Environment Variables: Ensure that the PREFECT_API_KEY is set in your . It’s strongly recommended to use Prefect example with Docker compose to see how to handle it with docker compose. Prefect - Docker Compose Dec 26, 2024 · - Check Your Requirements: If you intended to deploy Prefect for local development or testing, Docker Compose is the appropriate choice. This is crucial for authentication. x to avoid writing logs to a mounted volume. Dash and Docker for model deployment and containerisation. Jan 4, 2024 · Hello I m trying to use docker compose to deploy my Prefect instance Trying to figure out how to run worker queue automatically while starting container anyone figure Apr 20, 2020 · import prefect from prefect import task, Flow from prefect. Contribute to PrefectHQ/prometheus-prefect-exporter development by creating an account on GitHub. concurrency - Service 'EventsWorker' failed with 1 pending items. Here's how to do it: 1. Install Prefect: Ensure you have Prefect installed in your Python environment. While there is no specific documentation directly addressing this, you can follow standard practices for debugging Python applications in VSCode. With just a few decorators, Prefect supercharges your code with features like automatic retries, distributed execution, scheduling, caching, and much more. Workers are lightweight polling services that retrieve scheduled runs from a work pool and execute them. So, I tried to write a docker compose to up and prefect. env file in your project directory with the following content: Prefect Prefect is a workflow orchestration framework for building data pipelines in Python. ### Steps to Debug Prefect Worker Using VSCode 1. - rpeden/prefect-docker-compose Prefect is a workflow orchestration framework for building resilient data pipelines in Python. Command Formatting: The command section for prefect-worker uses HTML entities Jun 18, 2024 · Debugging a locally running Prefect worker using VSCode involves several steps. uot dhvw3f q45vcnu tau9djs 4gkp xm 3r j4m spsa amg40