All Questions
Tagged with deployment docker
762
questions
187
votes
8
answers
97k
views
Deploying a minimal flask app in docker - server connection issues
I have an app whose only dependency is flask, which runs fine outside docker and binds to the default port 5000. Here is the full source:
from flask import Flask
app = Flask(__name__)
app.debug = ...
80
votes
11
answers
25k
views
How do I set up linkage between Docker containers so that restarting won't break it?
I have a few Docker containers running like:
Nginx
Web app 1
Web app 2
PostgreSQL
Since Nginx needs to connect to the web application servers inside web app 1 and 2, and the web apps need to talk to ...
66
votes
5
answers
50k
views
How to edit code in a Docker container in development?
I have all my websites' code under /srv in my containers.
My Dockerfile downloads the code using git and makes it part of the image for easier deployment to production.
But then how do I edit the ...
52
votes
2
answers
21k
views
Docker : How To Dockerize And Deploy multiple instances of a LAMP Application
I need to deploy many instances of the same LAMP (or LEMP) application :
each instance will be accessible from a subdomain, with front loadbalancer/ proxy
each instance must have its own db data and ...
48
votes
5
answers
109k
views
error when creating "deployment.yaml": Deployment in version "v1" cannot be handled as a Deployment
I am new to DevOps. I wrote a deployment.yaml file for a Kubernetes cluster I just created on Digital Oceans. Creating the deployment keeps bringing up errors that I can't decode for now. This is just ...
44
votes
5
answers
21k
views
What is the difference between Docker Host and Container
I started learning about Docker. But I keep getting confused often, even though I read it in multiple places.
Docker Host and Docker Container.
Docker Engine is the base Engine that handles the ...
34
votes
2
answers
55k
views
How to run docker-compose commands with ansible?
In ansible playbook I need to run docker-compose commands. How can I do it? I need to run command: docker-compose -f docker-compose.yml -f docker-compose.prod.yml up
32
votes
3
answers
24k
views
When to pull from Docker repo and when from Git repo and then build?
Suppose I have a machine. It can be a single production server, one of production nodes in a cluster, some kind of staging server, a server or a cluster for testing or a developer workstation. Or ...
32
votes
5
answers
29k
views
How to update code from Git to a Docker container
I have a Docker file trying to deploy Django code to a container
FROM ubuntu:latest
MAINTAINER { myname }
#RUN echo "deb http://archive.ubuntu.com/ubuntu/ $(lsb_release -sc) main universe" >> /...
31
votes
1
answer
10k
views
How do you manage per-environment data in Docker-based microservices?
In a microservice architecture, I'm having a hard time grasping how one can manage environment-specific config (e.g. IP address and credentials for database or message broker).
Let's say you have ...
29
votes
2
answers
103k
views
Kubernetes deployment read-only filesystem error
I am facing an error while deploying Airflow on Kubernetes (precisely this version of Airflow https://github.com/puckel/docker-airflow/blob/1.8.1/Dockerfile) regarding writing permissions onto the ...
29
votes
1
answer
9k
views
How to understand Amazon ECS cluster
I recently tried to deploy docker containers using task definition by AWS. Along the way, I came across the following questions.
How to add an instance to a cluster? When creating a new cluster ...
25
votes
2
answers
14k
views
How to integrate Capistrano with Docker for deployment?
I am not sure my question is relevant as I may try to mix tools (Capistrano and Docker) that should not be mixed.
I have recently dockerized an application that is deployed with Capistrano. Docker ...
20
votes
2
answers
30k
views
Docker Rails app fails to be served - curl: (56) Recv failure: Connection reset by peer
I build a Rails app container with the following Dockerfile:
$ cat Dockerfile
FROM ruby:2.2
MAINTAINER Luca G. Soave <[email protected]>
RUN apt-get update && apt-get install -y ...
19
votes
4
answers
11k
views
Could not find a required file. Name: index.html in react with docker compose
I have my react app set up with create-react-app and I was trying to run it with Docker container and Docker compose.
However, I got the following error when I ran it with Docker compose.
web_1 |...
18
votes
4
answers
21k
views
Building a compiled application with Docker
I am building a server, written in C++ and want to deploy it using Docker with docker-compose. What is the "right way" to do it? Should I invoke make from Dockerfile or build manually, upload to some ...
18
votes
2
answers
2k
views
Automatic self-configuration of an etcd cluster as a Docker swarm service
I want to find a way to deploy an etcd cluster as a Docker Swarm service that would automatically configure itself without any interaction. Basically, I think of something in spirit of this command:
...
17
votes
2
answers
7k
views
What are conceptual and practical differences between containers (i.e. docker) and encapsulated packages (i.e. flatpack, snap)?
I read often that both concepts are quite different, but I could not find a good explanation about where the differences lie. Both bundle dependencies and restrict talking to the outside world.
When ...
14
votes
1
answer
5k
views
What are differences between Docker and Octopus Deploy
I have been using Octopus Deploy for sometime now just to deploy a web application onto an AWS EC2 instance. I am aware that Octopus Deploy is .NET specific and the learning curve is quite easy when ...
14
votes
1
answer
26k
views
Docker: Use sockets for communication between 2 containers
I have 2 Docker containers: App & Web.
App — simple container with php application code. It is used only for storage and deliver the code to the remote Docker host.
App image Dockerfile:
FROM ...
14
votes
2
answers
6k
views
AWS Beanstalk docker image automatic update doesn't work
I have a node.js application packaged in a docker image hosted in a public repository.
I have deployed that image in an AWS Beanstalk docker application successfully.
The problem is that I was ...
14
votes
1
answer
2k
views
Docker, web app static files. Best practices?
How do people tend to handle static assets in web deployment on docker?
For example, in a django app deployed in a container, do you have the app server serve up the static files from the container, ...
13
votes
2
answers
7k
views
Amazon cli image doesn't work with Gitlab CI
I'm trying to run the aws command (to invalidate cloudfront) using official aws image and have the following config of .gitlab-ci.yml:
static-invalidation:
<<: *production-env
stage: ...
13
votes
3
answers
27k
views
Deploying with docker push is slow because there are many images
I'm trying to deploy via docker. I'm using the following workflow:
Build locally
Push my image to docker hub
On the server: pull the image
On the server: start the image
But docker push takes ...
12
votes
8
answers
30k
views
Docker - check private registry image version
What CLI commands do I need to use in order to check if the image in my private docker registry is a newer version than the one currently running on my server?
E.g. I have a container that I ran ...
12
votes
1
answer
4k
views
Docker: how to manage development and production settings?
I'm just getting started with Docker. With the official NGINX image on my OSX development machine (with Docker Machine as the Docker host) I ran up against the bug with sendfile and VirtualBox which ...
12
votes
2
answers
4k
views
Deploy to elasticbeanstalk via CLI deploy command with Dockerrun.aws.json
I am running an elasticbeanstalk application, with multiple environments. This particular application is hosting docker containers which host a webservice.
To upload and deploy a new version of the ...
11
votes
3
answers
27k
views
KeyCloak: Deploy Custom Theme in Docker
I know how to deploy custom KeyCloak theme in Windows using both ways as stated here:
Copy-paste theme in themes directory
Using archive deploy
Can someone please suggest how to do this in docker?
11
votes
3
answers
20k
views
Connection Refused from Request Inside Docker Compose
I have an API running on my host machine on port 8000. Meanwhile, I have a docker compose cluster with one container that's supposed to connect said API. To get the url for the request, I use "...
10
votes
4
answers
13k
views
Stand up select services with docker-compose
I wanted to create a install script which would stand up certain services based on user input. I am using docker for the managing these services. With docker-compose I am able to define multiple ...
10
votes
1
answer
4k
views
howto: elastic beanstalk + deploy docker + graceful shutdown
Hi great people of stackoverflow,
Were hosting a docker container on EB with an nodejs based code running on it.
When redeploying our docker container we'd like the old one to do a graceful shutdown.
...
10
votes
2
answers
2k
views
How to automate multi server deployment using docker
Here's my situation:
I have a project written in Go stored on Github
I have 3 app servers behind a load balancer (app1, app2, app3)
I have a Dockerfile as part of the project in git, which when used ...
10
votes
1
answer
1k
views
CLion - build within a docker container, but deploy for execution/debugging to a different host
I have constructed an x86 docker container, containing an armv8 gcc toolchain for cross-compilation of my C++ software. The idea is that I can use the docker container to cross-compile my software and ...
10
votes
1
answer
3k
views
Deploy a Docker image without using a repository
I'm building a Docker image on my build server (using TeamCity). After the build is done I want to take the image and deploy it to some server (staging, production).
All tutorials i have found either
...
9
votes
1
answer
19k
views
How to install docker 1.9+ in CentOS 6.5?
I'm now deploying on CentOS 6.5, and I'm now starting to use docker.
So, I follow the instructions on: https://docs.docker.com/engine/installation/centos/
No matter which method I follow to install, ...
9
votes
2
answers
8k
views
Docker Compose Continuous Deployment setup
I am looking for a way to deploy docker-compose images and / or builds to a remote sever, specifically but not limited to a DigitalOcean VPS.
docker-compose is currently working on the CircleCI ...
9
votes
3
answers
33k
views
Error response from daemon: manifest for abhishek8054/token-app:latest not found: manifest unknown: manifest unknown
I had made my own Docker image that is a simple react app and pushed it onto the docker hub.
Now I am trying to pull my image in system then it shows me an error
Error response from daemon: manifest ...
9
votes
1
answer
746
views
Use docker multistage builds for R development and deployment setting
Problem
For development, I want to use a Docker image with the RStudio IDE, which relatively heavy. I also need many packages for my project, so I create my own docker file that has the above ...
8
votes
1
answer
8k
views
How to deploy React app with docker and serve -s build
So far I have build the image and deployed it to AWS EC2. But I want to use
serve -s build
to serve the app in production mode.
I did it locally and apparently everything seems to be fine..I get this....
8
votes
1
answer
15k
views
$CI_COMMIT_TAG in "if" statemets of regular job
I try to make a pretty basic GitLab CI job.
I want:
When I push to develop, gitlab builds docker image with tag "develop"
When I push to main, gitlab checks that current commit has tag, and ...
8
votes
2
answers
5k
views
Docker deployment workflow with git
What is the best way to deploy a docker container to a production environment?
Add a Dockerfile to the git repository and run docker build on the production system
Commit changes to a container with ...
8
votes
1
answer
3k
views
Is is possible to deploy a Docker image straight to AWS?
I'm having a tough time wrapping my brain around the possibilities of Docker, so pardon my ignorance here:
Can I take a Docker image of a database server that I've created, and deploy that straight ...
8
votes
2
answers
17k
views
AWS ECS InvalidParameterExcpetion when calling the UpdateService Operation
I've been trying to setup CI/CD for my ECS cluster using jenkins. I followed this blog to do the same. But I'm getting this error:
An error occurred (InvalidParameterException) when calling the
...
8
votes
3
answers
2k
views
Kubernetes multiple identical app and database deployments with different config
The dilemma: Deploy multiple app and database container pairs with identical docker image and code, but different config (different clients using subdomains).
What are some logical ways to approach ...
8
votes
1
answer
960
views
Deployment with only SSH Key and dockerfile
Excuse my dev ops naiveté but I assume all you need to deploy to a machine is a proper SSH key, a port to expose, the machine's IP address a login and the code to deploy.
So are there any simple ...
8
votes
1
answer
3k
views
Deploy a docker container to production
I have create a docker image on my dev machine and tested my RAILS code on it.
The container uses code from the host this way :
docker run -v [/path/to/dir/to/mount/on/local/machine/]:[/desired/path/...
7
votes
2
answers
5k
views
How do I have multiple docker images for one project in one directory?
For my current python project I have multiple 'programs' I want running at a time (e.g. crawler, indexer, web server, postgresql server etc).
All of these python programs share some common modules in ...
7
votes
1
answer
4k
views
Deploying Golang web app static files with Docker container
I'm working on a small web application that has some static files (configs and html templates):
├── Dockerfile
├── manifest.json
├── session
│ ├── config.go
│ ├── handlers.go
│ └── ...
7
votes
1
answer
9k
views
Can i deploy my Java Spring-Boot Application in my Synology NAS?
I have a Spring-Boot Application with REST API (Maven build and MongoDB Database). I will also make a UI with Angular 2 on top of that (npm build).
What i would like to do is, to host this site, ...