dockerfiles | Dockerfile examples.

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kandi X-RAY | dockerfiles Summary

kandi X-RAY | dockerfiles Summary

dockerfiles is a Shell library typically used in Devops, Nginx, Docker applications. dockerfiles has no bugs, it has no vulnerabilities and it has low support. You can download it from GitHub.

Dockerfile examples. Some of the containers are available on [index.docker.io] See README in the each directories for details.
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              dockerfiles has a low active ecosystem.
              It has 52 star(s) with 23 fork(s). There are 3 watchers for this library.
              OutlinedDot
              It had no major release in the last 6 months.
              There are 4 open issues and 0 have been closed. There are no pull requests.
              It has a neutral sentiment in the developer community.
              The latest version of dockerfiles is current.

            kandi-Quality Quality

              dockerfiles has 0 bugs and 0 code smells.

            kandi-Security Security

              dockerfiles has no vulnerabilities reported, and its dependent libraries have no vulnerabilities reported.
              dockerfiles code analysis shows 0 unresolved vulnerabilities.
              There are 0 security hotspots that need review.

            kandi-License License

              dockerfiles does not have a standard license declared.
              Check the repository for any license declaration and review the terms closely.
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              Without a license, all rights are reserved, and you cannot use the library in your applications.

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              dockerfiles releases are not available. You will need to build from source code and install.

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            dockerfiles Key Features

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            dockerfiles Examples and Code Snippets

            No Code Snippets are available at this moment for dockerfiles.

            Community Discussions

            QUESTION

            PHPunit fails with "Allowed memory size of 134217728 bytes exhausted (tried to allocate 5242880 bytes)" after upgrade to PHP 8.0.16
            Asked 2022-Mar-29 at 13:50

            In my Laravel project I upgraded to currently latest Laravel 9.3.0 and PHP 8.0.16.

            The original version was Laravel 8.64 with PHP 7.4.

            I run the project in Docker containers with php:8.0.16-fpm-alpine image. Previous was php:7.4-fpm-alpine.

            This is my Docker container config in docker-compose.yml file:

            ...

            ANSWER

            Answered 2022-Mar-03 at 08:28

            You can use in Dockerfile for solving memory limitation

            Source https://stackoverflow.com/questions/71333320

            QUESTION

            What is #syntax=docker/dockerfile:experimental?
            Asked 2022-Mar-11 at 08:44

            I have been working with dockerfiles for a while now but today I was working on a small project and somehow on my VScode I typed # then CTRL+SPACE on the first line I got this syntax=docker/dockerfile:experimental.

            I don't understand what this does and can't find documentation about it can somebody explain what's with that weird comment.

            PS I found some people using this so it's not just some random comment generated by vscode I guess.

            ...

            ANSWER

            Answered 2022-Mar-11 at 08:44

            It's a way to enable new syntax in Dockerfiles when building with BuildKit. It's mentioned in the documentation:

            Overriding default frontends

            The new syntax features in Dockerfile are available if you override the default frontend. To override the default frontend, set the first line of the Dockerfile as a comment with a specific frontend image:

            Source https://stackoverflow.com/questions/71332162

            QUESTION

            Moving a file from host with docker-compose volume before Dockerfile is built
            Asked 2022-Feb-10 at 16:39

            I have a few Dockerfiles that are dependant on a "pat" (Personal Access Token) file to be able to access a private nuget feed. I have taken some inspiration from somakdas to get this working.

            To run my single Dockerfile I first create a "pat" file containing my token and build with docker build -f Services/User.API/Dockerfile -t userapi:dev --secret id=pat,src=pat .

            This works as intended, but my issue is getting this to work using a docker-compose.yml file.

            First I took a look at using docker-compose secrets, but it came to my attention that docker-compose secrets are access at runtime, not build-time. https://github.com/docker/compose/issues/6358

            So now I'm trying to create a volume containing my pat file but I get cat: /pat: No such file or directory when the command RUN --mount=type=secret... is running. This may not be secure but it will only be running locally.

            My Dockerfile

            ...

            ANSWER

            Answered 2022-Feb-10 at 16:39

            I solved this by attacking the problem in a different way. As the main goal was to get this working locally I created Dockerfile.Local and docker-compose.local.yml. Together with this I created an .env file containing the "pat".

            The docker-compose.local.yml passes the "pat" as an argument to the Dockerfile.Local where it's used. I also discarded --mount=type=secret and set the value to VSS_NUGET_EXTERNAL_FEED_ENDPOINTS directly.

            .env file:

            Source https://stackoverflow.com/questions/70988514

            QUESTION

            Is there a way to share Dockerfile operations across a monorepo
            Asked 2021-Dec-21 at 17:52

            So I've got a application that consists of lets say 4 APIs and a Frontend, all saved on a monorepo. Everything is setup with docker, every Service has its own Dockerfile. The file structure would look something like this:

            ...

            ANSWER

            Answered 2021-Dec-21 at 17:52

            is there some way to share this package and/or this whole RUN operation across my services in a way so that I can modify this in one place instead?

            Yes, you can achieve this by structuring your project as follows:

            Source https://stackoverflow.com/questions/70433348

            QUESTION

            What is the best practice to start "roscore" followed by "rosrun ...." on Docker Container startup?
            Asked 2021-Dec-12 at 22:32

            I have created through a Dockerfile a Docker image on which Ubuntu 18.04 and ROS Melodic are properly installed. Please note that I have not used the official ROS-Docker image for creating my Docker image.

            The Docker container derived from this Docker image is working fine. However, every time I want to work with the container, I need to execute the following commands:

            1. Terminal window:

            docker run -d -it --name container_name docker_image; docker exec -it container_name bash

            Then, after I am within the Docker container: roscore

            1. Terminal window:

            docker exec -it container_name bash

            Then, after I am within the Docker container: rosrun ROS_PackageName PythonScript.py

            Please note that through the above-mentioned Docker commands, both terminals operate in the same Docker container.

            I find my way to start the PythonScript.py inefficient. Therefore, I would like to ask for the best practice to start "roscore" followed by "rosrun ...." on Docker Container startup.

            In some Dockerfiles I see at the end of the file the command ENTRYPOINT as well as CMD. However, I do not know if these commands can help me to make my Docker container execute "roscore" followed by "rosrun" on container startup.

            ...

            ANSWER

            Answered 2021-Dec-12 at 22:32

            This is actually, in part, what roslaunch is for. It makes it easier to launch multiple nodes and nicer parameter input, but it will also start a roscore is one is not already running. In your example it would look something like this:

            Source https://stackoverflow.com/questions/70303275

            QUESTION

            Nginx reverse proxy with docker-compose doesn't forward requests
            Asked 2021-Dec-08 at 21:09

            I've been creating a micro-frontend project and the glue (nginx) isn't working as expected.

            My projects are structured as such:

            ...

            ANSWER

            Answered 2021-Dec-08 at 21:09

            The primary issue is that localhost: is not accessible between containers. The containers should reference the service names defined in docker-compose.

            nginx.conf becomes:

            Source https://stackoverflow.com/questions/70172632

            QUESTION

            Serving multiple static sites from docker with nginx running on the host machine
            Asked 2021-Nov-24 at 09:21
            General description

            Hi. I'm trying to come up with a solution to the following problem. I have one host machine running docker which should serve multiple independent web apps. Each app has a frontend (in angular) and backend (in NodeJS). I have nginx running on the same host machine (it has access to the SSL certificates, etc.).

            See the diagram below describing what I'm trying to achieve. When a user requests app1.example.com the frontend files should be served. When app1.example.com/api/* is called, nginx passes the requst to the NodeJS backend.

            Most of the articles I found online use containerized nginx and a single compose file. I want to have separate compose files for easy and independent updates - I just bump version numbers of web and API image in the .yml file and restart both containers with docker-compose. It won't affect other running containers or the nginx itself.

            Core of my problem

            I'm having issues on how to serve the static sites. One obvious solution would be to include another nginx in each of the web containers (Dockerfile.web in the diagram) and serve the static files from the container that way. I find that a bit wasteful to have more instances of nginx running when there is already one on the host.

            Another way I thought about is to mount or copy the static files from the container to the host (for example to /var/www) when the container is started.

            Ideal solution would be that if the container is running the static files are accessible to the host nginx. When the container is stopped, static files become inaccessible and nginx can return 404 or a "maintenance page".

            Do you think I'm approaching this the right way? I don't want to end up devising some non-standard niche solution but I would still like to have host-running nginx and independent updates with docker-compose for reasons described above.

            Dockerfiles

            Dockerfile.api

            ...

            ANSWER

            Answered 2021-Nov-24 at 09:21

            Thank you David for your suggestion. I settled with a solution using thttpd per-application instead of nginx (inspired by this article).

            Resulting image serving my static site is around 5MB which is great. Everything else is still according to my original diagram. APIs are served by NodeJS, static sites by thttpd and on top is one nginx instance doing all the request-routing.

            Source https://stackoverflow.com/questions/70033161

            QUESTION

            crashing ingress-nginx controller on Fargate-only EKS cluster due to bind() to 0.0.0.0:8443 failed (98: Address in use)
            Asked 2021-Nov-16 at 14:26

            The ingress-nginx pod I have helm-installed into my EKS cluster is perpetually failing, its logs indicating the application cannot bind to 0.0.0.0:8443 (INADDR_ANY:8443). I have confirmed that 0.0.0.0:8443 is indeed already bound in the container, but bc I don't yet have root access to the container I've been unable to glean the culprit process/user.

            I have created this issue on the kubernetes ingress-nginx project that I'm using, but also wanted to reach out to a wider SO community that might lend insights, solutions and troubleshooting suggestions for how to get past this hurdle.

            Being a newcomer to both AWS/EKS and Kubernetes, it is likely that there is some environment configuration error causing this issue. For example, is it possible that this could be caused by a misconfigured AWS-ism such as the VPC (its Subnets or Security Groups)? Thank you in advance for your help!

            The linked GitHub issue provides copious details about the Terraform-provisioned EKS environment as well as the Helm-installed deployment of ingress-nginx. Here are some key details:

            1. The EKS cluster is configured to only use Fargate workers, and has 3 public and 3 private subnets, all 6 of which are made available to the cluster and each of its Fargate profiles.
            2. It should also be noted that the cluster is new, and the ingress-nginx pod is the first attempt to deploy anything to the cluster, aside from kube-system items like coredns, which has been configured to run in Fargate. (which required manually removing the default ec2 annotation as described here)
            3. There are 6 fargate profiles, but only 2 that are currently in use: coredns and ingress. These are dedicated to kube-system/kube-dns and ingress-nginx, respectively. Other than the selectors' namespaces and labels, there is nothing "custom" about the profile specification. It has been confirmed that the selectors are working, both for coredns and ingress. I.e. the ingress pods are scheduled to run, but failing.
            4. The reason why ingress-nginx is using port 8443 is that I first ran into this Privilege Escalation issue whose workaround requires one to disable allowPrivilegeEscalation and change ports from privileged to unprivileged ones. I'm invoking helm install with the following values:
            ...

            ANSWER

            Answered 2021-Nov-16 at 14:26

            Posted community wiki answer based on the same topic and this similar issue (both on GitHub page). Feel free to expand it.

            The answer from the GitHub:

            The problem is that 8443 is already bound for the webhook. That's why I used 8081 in my suggestion, not 8443. The examples using 8443 here had to also move the webhook, which introduces more complexity to the changes, and can lead to weird issues if you get it wrong.

            An example with used 8081 port:

            As well as those settings, you'll also need to use the appropriate annotations to run using NLB rather than ELB, so all-up it ends up looking something like

            Source https://stackoverflow.com/questions/69950432

            QUESTION

            docker backend app not recognized in the folder
            Asked 2021-Nov-09 at 15:31

            I've been trying to dockerize an angular application with python backend following this. I did all but for the docker-compose file, it says that my app.py is not present in the folder.

            my python app is in 'C:\Users\Fra\Desktop\Fra\uni\Tesi\Progetto\backend'

            and my angular app is in 'C:\Users\Fra\Desktop\Fra\uni\Tesi\Progetto\frontend'

            i'm leaving you the dockerfiles, that should help

            ('Dockerfile' placed in the backend folder)

            ...

            ANSWER

            Answered 2021-Nov-09 at 15:31

            Your WORKDIR is /Users/Fra/Desktop/Fra/uni/Tesi/Progetto but your app.py file - which is required for container startup in CMD - is located in /Users/Fra/Desktop/Fra/uni/Tesi/Progetto/backend/ folder.

            Rewrite your backend Dockerfile to:

            Source https://stackoverflow.com/questions/69900667

            QUESTION

            Vite React app: esbuild error in Docker container
            Asked 2021-Oct-17 at 20:19

            I'm trying to get to grips with both vite and docker so I apologise if I've made stupid mistakes.

            I'm running into an issue with esbuild inside docker. I'm trying to get a dev setup going, so I want to mount my code in my containers so that changes should be reflected in real time.

            Previously I used Dockerfiles which copied /frontend and /backend into their respective containers and that worked, I had my web and api containers running and happily talking to each other. However, it meant it didn't pick up any code changes so it wasn't suitable for development.

            So I've switched to volume mounts in the hope that I can get my dockerized apps to hot reload, but hit this error instead.

            Here's my docker-compose.yml

            ...

            ANSWER

            Answered 2021-Oct-17 at 20:19

            Finally managed to get this working having read and better understood this discussion; https://github.com/vitejs/vite/issues/2671#issuecomment-829535806.

            I'm on MacOS but the container is running Linux and the architecture is mismatched when it attempts to use the version of esbuild from my mounted volume. So, I need to rebuild esbuild inside the container. I tried to use the entrypoint script as that thread suggests but that didn't work for me.

            What did work was to change the command in my docker-compose.yml to command: sh -c "npm rebuild esbuild && yarn dev".

            It's now hot reloading like a dream.

            Source https://stackoverflow.com/questions/69607736

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