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QUESTION
I was following this tutorial on a Macbook to build a sample Docker image but when I tried to run the following command:
...ANSWER
Answered 2021-Oct-06 at 13:31See its Dockerfile, it uses FROM python:alpine AS base
, which means it used a shared tag. Another word, at the time the document wrote, python:alpine
means maybe python:3.9-alpine
or others.
But now, it means python:3.10-alpine
, see this.
The problems happens at mkdocs
itself, it uses next code:
QUESTION
I have microk8s v1.22.2 running on Ubuntu 20.04.3 LTS.
Output from /etc/hosts
:
ANSWER
Answered 2021-Oct-10 at 18:29error: unable to recognize "ingress.yaml": no matches for kind "Ingress" in version "extensions/v1beta1"
QUESTION
I need to develop a website using laravel and nuxtjs.
To my knowledege, SSR mode is one of the advanced feature of the nuxtjs but it requires to run the nuxt server. In other words, we need to deploy the laravel on the server like nginx and have to run the nuxt server by using npm run start
. If we use SPA mode, nuxt generate static page into dist directory and we can simply merge it to laravel project and everything is done. We don't need to run the extra server.
This is my opinion so far. I am not sure whether or not it is true, so I can't decide which one to choose. First of all, I am not sure which one is really better. Second, I am not sure if SSR mode really requires to run the extra server.
I want to get advice from experts and make a decision. I'd be really grateful if you give me advice about this. Thanks in advance.
...ANSWER
Answered 2021-Aug-04 at 16:48I recommend using SSG (target: static
and ssr: true
), this will give you SEO + speed and you will not need any server for this. Hence, hosting it on Netlify would be totally fine and free.
More info can be found here on the various steps: What's the real difference between target: 'static' and target: 'server' in Nuxt 2.14 universal mode?
Also, it all comes down to the drawbacks between SSR and SSG. More info can be found on Google. But if you don't have a first-page protected by a password or some back-office admin-only tool, SSG is usually the way to go.
QUESTION
When I run react-native run-android
, I get the following error:
ANSWER
Answered 2021-Dec-01 at 16:46It works now.
I reset my hours of changes to master and it works. Leaving this here for future people who have this error - don't trust the bintray status page, just wait. I read somewhere during my research that it will stay up indefinitely read only.
QUESTION
I have a simple ingress configuration file-
...ANSWER
Answered 2022-Mar-13 at 20:40The answer is posted in the comment:
Well,
/link1/
is not a prefix of/link1
because a prefix must be the same length or longer than the target string
If you have
QUESTION
We have deployed a django server (nginx/gunicorn/django) but to scale the server there are multiple instances of same django application running.
Here is the diagram (architecture):
Each blue rectangle is a Virtual Machine.
HAProxy sends all request to example.com/admin to Server 3.other requests are divided between Server 1 and Server 2.(load balance).
Old Problem:
Each machine has a media folder and when admin Uploads something the uploaded media is only on Server 3. (normal users can't upload anything)
We solved this by sending all requests to example.com/media/* to Server 3 and nginx from Server3 serves all static files and media.
Problem right now
We are also using sorl-thumbnail.
When a requests comes for example.com/,sorl-thumbnail tries to access the media file but it doesn't exist on this machine because it's on Server3.
So now all requests to that machine(server 1 or 2) get 404 for that media file.
One solution that comes to mind is to make a shared partition between all 3 machines and use it as media. Another solution is to sync all media folders after each upload but this solution has problem and that is we have almost 2000 requests per second and sometimes sync might not be fast enough and sorl-thumbnail creates the database record of empty file and 404 happens.
Thanks in advance and sorry for long question.
...ANSWER
Answered 2021-Dec-26 at 19:53You should use an object store to save and serve your user uploaded files. django-storages makes the implementation really simple.
If you don’t want to use cloud based AWS S3 or equivalent, you can host your own on-prem S3 compatible object store with minio.
On your current setup I don’t see any easy way to fix where the number of vm s are dynamic depending on load.
If you have deployment automation then maybe try out rsync so that the vm takes care of syncing files with other vms.
QUESTION
Not sure if this is OS specific, but on my M1 Mac, I'm installing the Nginx controller and resource example located in the official Quick Start guide for the controller. for Docker Desktop for Mac. The instructions are as follows:
...ANSWER
Answered 2022-Jan-03 at 16:11I replicated your issue and got a similar behaviour on the Ubuntu 20.04.3 OS.
The problem is that NGINX Ingress controller Local testing guide did not mention that demo.localdev.me
address points to 127.0.0.1
- that's why it works without editing /etc/hosts
or /etc/resolve.conf
file. Probably it's something like *.localtest.me
addresses:
Here’s how it works. The entire domain name localtest.me—and all wildcard entries—point to 127.0.0.1. So without any changes to your host file you can immediate start testing with a local URL.
Also good and detailed explanation in this topic.
So Docker Desktop / Kubernetes change nothing on your host.
The address demo2.localdev.me
also points to 127.0.0.1
, so it should work as well for you - and as I tested in my environment the behaviour was exactly the same as for the demo.localdev.me
.
You may run nslookup
command and check which IP address is pointed to the specific domain name, for example:
QUESTION
I'm trying to create a simple static web using nginx, and want to have everything created by Dockerfile, the problem is whenever I tried to create an index.html file, it comes out with error, I even tried to test it and its working with "index.htm" but not with the correct format.
...ANSWER
Answered 2021-Dec-23 at 11:45you should create a file and you can use
COPY index.html index.html
command into Dockerfile to copy a file into image when build
or use
echo " " > index.html command to create a file
QUESTION
I've got a docker image running 8.0 and want to upgrade to 8.1. I have updated the image to run with PHP 8.1 and want to update the dependencies in it.
The new image derives from php:8.1.1-fpm-alpine3.15
I've updated the composer.json
and changed require.php
to ^8.1
but ran into the following message when running composer upgrade
:
ANSWER
Answered 2021-Dec-23 at 11:20Huh. This surprised me a bit.
composer is correctly reporting the PHP version it's using. The problem is that it's not using the "correct" PHP interpreter.
The issue arises because of how you are installing composer.
Apparently by doing apk add composer
another version of PHP gets installed (you can find it on /usr/bin/php8
, this is the one on version 8.0.14).
Instead of letting apk
install composer for you, you can do it manually. There is nothing much to install it in any case, no need to go through the package manager. Particularly since PHP has not been installed via the package manager on your base image.
I've just removed the line containing composer
from the apk add --update
command, and added this somewhere below:
QUESTION
I'd like to instruct Docker to COPY
my certificates from the local /etc/
folder on my Ubuntu machine.
I get the error:
COPY failed: file not found in build context or excluded by .dockerignore: stat etc/.auth_keys/fullchain.pem: file does not exist
I have not excluded in .dockerignore
How can I do it?
Dockerfile:
...ANSWER
Answered 2021-Nov-05 at 11:42The docker context is the directory the Dockerfile is located in. If you want to build an image that is one of the restrictions you have to face.
In this documentation you can see how contexts can be switched, but to keep it simple just consider the same directory to be the context. Note; this also doesn't work with symbolic links.
So your observation was correct and you need to place the files you need to copy in the same directory.
Alternatively, if you don't need to copy them but still have them available at runtime you could opt for a mount. I can imagine this not working in your case because you likely need the files at startup of the container.
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