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QUESTION
I have docker file which make image.
...ANSWER
Answered 2022-Jan-24 at 12:15This is probably working fine, but you should be careful to pick names that don't conflict with standard Docker Hub image names.
A Docker image name has the form registry.example.com/path/name
. If you don't explicitly specify a registry, it always defaults to docker.io
(this can't be changed), and if you don't specify a path either, it defaults to docker.io/library/name
. This is true in all contexts – the docker build -t
option, the docker run
image name, Dockerfile FROM
lines, and anywhere else an image name appears.
That means that, when you run docker build -t python
, you're creating a local image that has the same name as the Docker Hub python
image. The docker build
diagnostics are showing you the expanded name. It should actually be based on your local image, though; Docker won't contact a remote registry unless the image is missing locally or you explicitly tell it to.
I'd recommend choosing some unambiguous name here. You don't specifically need a Docker Hub account, but try to avoid bare names that will conflict with standard images.
QUESTION
I'm new into Docker. I have a problem with uploading file in Flask app that is contained in Docker and accessing it.
Let's say that I have a project in this structure:
...ANSWER
Answered 2021-Dec-31 at 12:10you are using cd /home/myProjects/myDocker/myApp/
in CI file and COPY . /code
in docker build file.
that means "whatever you see in host's /home/myProjects/myDocker/myApp/
folder, copy them all into /code
folder of the container". thus your ...myApp/*
becomes /code/*
but your pain is not just that. from the app' perspective, you are writing uploaded files into ../../uploads
but you don't have such a folder in your container. also note that you have 2 parent levels in your host and your app is looking for such a path and won't find inside the container anyways because your project is only 1 level deep from the root level.
in this latter situation, change your code to read uploads folder path from the environment (os.environ?
), set default to be ../../uploads
for your development, create a folder inside your container such as /uploads
, add its path in your docker file with ENV
then map host and container upload folder paths with volume command, possibly -v home/myProjects/uploads:/uploads
edit:
I have written a simple app doing the above last paragraph. please visit this address: https://github.com/yilmazdurmaz/basicbindmount
QUESTION
I am trying to adapt the quickstart guide for Mongo Atlas Operator here Atlas Operator Quickstart to use secure env variables set in TravisCI.
I want to put the quickstart scripts into my deploy.sh, which is triggered from my travis.yaml file.
My travis.yaml already sets one global variable like this:
...ANSWER
Answered 2021-Sep-30 at 09:52Looks like the echo
approach is fine, I've found a similar use-case to yours, have a look here.
QUESTION
I have created a simple MERN stack application and tried to deploy the app on heroku however, the build fails with this error:
...ANSWER
Answered 2021-Jul-06 at 13:01Change your heroku.yml (here) file to
QUESTION
I have traefik (v. 2.3.5) and other services running on my raspberrypi in my home network. Each service is running on a different port on the same machine. I want traefik to redirect a call from a subpath to a different url. Like so:
http://myServer/omv --> http://myServer:8000
http://myServer/heimdall --> http://myServer:8003
However I can not make it work. My router is not offering a domain/subdomains so I have to live with subpathes instead.
OMV is installed locally so I have created a file provider and that is the only one that is working. I cannot find out what I'm doing wrong with my docker-compose files for e.g. heimdall.
Here is the traefik docker-compose.yml:
...ANSWER
Answered 2020-Dec-15 at 09:07can you check "Host" at "traefik.http.routers.heimdall.rule"
maybe it needs to be like this,
QUESTION
I'm setting up travis environment variables both using console and travis.yml, so when I'm running build on travis all variables are exported, e.g.
Variables I've set in console are accessible from travis script, since docker containers built are deployed to docker and code is pushed to AWS.
Problem I have is to access these variables from node.js tests that I'm running from the script:
...ANSWER
Answered 2020-Dec-02 at 16:12There are several ways to declare and expose ENV
variables to your containers. Tha issue here was that your where exposing ENV
variables into your travis
pipelines, but not into your containers
. In order to expose ENV
variables to your containers, you have several options:
Via
Dockerfile
:# default value
ENV hey
# a default value
ENV foo /bar
# or
ENV foo=/bar
Set environment variables
(-e, --env, --env-file)
QUESTION
Suppose we have a docker with an Apache container. I would like to make dynamic the file /etc/apache2/sites-available/000-default.conf
I would like to update the path of a site with a variable that I can insert through docker compose
How can I do it ?
...ANSWER
Answered 2020-Sep-16 at 19:45environment:
- FOLDER=/var/www/html/website
- SERVERNAME=mydomain.domain.org
- VIRTUAL_HOST=mydomain.domain.org
- VIRTUAL_PORT=80
QUESTION
We have a set of variables in env file as given below
examples.env
...ANSWER
Answered 2020-Sep-07 at 10:55Source the variables file in your mydocker.sh
script insted of export
and concat each variable with --env
, at the and eval the concatenated string to variable so the variables will interpreted.
Here is an example:
QUESTION
My Jenkins file:
...ANSWER
Answered 2020-Apr-07 at 08:39Sum up of discussion:
By default Jenkins executes on master
node. Docker must be installed on master
node and Jenkins user needs to be allowed to execute docker commands (should be added to docker group).
QUESTION
Im trying to perform multiple steps in Jenkinsfile, these steps are containing shell commands which is taking time until i get the final output.
since these steps are dependent on each other, how i can add condition if the output of first cmd is equal to something ("session started")then perform the 2nd, if not then print some message =("string").
stage() { agent {
...ANSWER
Answered 2020-Apr-03 at 08:13If you need conditions like this at steps level, you have to use a script
step and write some Groovy code.
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