docker/docker

Docker - the open-source application container engine. This chat is intended for contributors new to the Docker project or new to open source. For user help, please goto #docker on freenode. For advanced contributors please goto #docker-dev on freenode.

Stavros Stavridis

@sstavridis

I want to learn docker which is the best way to start? Tutorial, etc...

Yosi

@yosiasz

https://www.docker.com/101-tutorial

Justin Reeves

@justinallenreeves

Evening all. I'm testing something locally, running some live code on my host and need a container running some services to be able to respond to it
https://docs.docker.com/network/host/ sounds appropriate but --network host apparently isn't supported on my development OS (mac)

is there a way to figure this out? I can't take the live codebase solely offline either as it's chatting to services I'm currently exposed to over VPN, so it'd be lovely if everyone could chat over my host for now

Justin Reeves

@justinallenreeves

Oh host.docker.internal seems to work

Justin Reeves

@justinallenreeves

success

matrixbot

@matrixbot

Haley In the following named volumes definitions:

    volumes:
      - phobos-static:/app/site/static
      - phobos-files:/app/files

Haley How can I define the location on the host. I want it to go to /var/nfs/phobos-static and /var/nfs/phobos-files

Haley any idea? (this is, using a docker-compose file).

matrixbot

@matrixbot

mxvin > <@neo:solsys.org> How can I define the location on the host. I want it to go to /var/nfs/phobos-static and /var/nfs/phobos-files

What's your problem? You can Just use that dir directly right?

matrixbot

@matrixbot

Haley yes. That's what I did in the end/.

Buamod

@Ibuamod_twitter

for the new docker hub pricing system .. what does a paralell docekr pull mean

matrixbot

@matrixbot

Meliodas hello everyone,
does anyone know how to give FPM root access inside docker and fix these error notices? I am trying to deploy my own privatebin

Meliodas * hello everyone,
does anyone know how to give FPM root access inside docker and fix these error notices? I am trying to deploy my own privatebin
https://privatebin.net/?63f6070e457c52ae#C8dsrrh6Ae9WK7cVRd7SiMoXqtWEmgdGXqzk9esu5MbV

Jaafar MADIH

@Jmadih

java.lang.IllegalStateException: No instances found of configserver (CONFIGSERVER)
Need your help, it work perfectly without docker.. Any little help plz ?

config:
container_name: config volumes:

  - ./config-data:/var/config-data
environment:
  - JAVA_OPTS=
    -DEUREKA_SERVER=http://registry:8761/eureka
    -Dspring.cloud.config.server.native.searchLocations=/var/config-data
depends_on:
  - registry
ports:
  - "8888:8888"

i'm using the latest feature of spring

<groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-maven-plugin</artifactId>

matrixbot

@matrixbot

FixFromDarkness Is ports in docker ps accessible from global network if I blocked them in ufw?

matrixbot

@matrixbot

FixFromDarkness Port from docker ps is closed for localhost! How can I fix it?

Kobi Bar Hanin

@kobibarhanin

Hi! I’ve built an interactive git cli - igit. Check it out: https://github.com/kobibarhanin/igit to install: pip install igit

matrixbot

@matrixbot

mxvin ...

SushantAA

@sushant.co19_gitlab

I have installed VirtualBox but not able to run
OS : ubuntu
Command : docker-machine create default
Error : Running pre-create checks...
Error with pre-create check: "VBoxManage not found. Make sure VirtualBox is installed and VBoxManage is in the path"

Jamey Hart

@jameyhart

@sushant.co19_gitlab This sounds like the issue raised here: docker/machine#4590. The suggested fix appears to be to change the case of VBoxManage. Hope that helps.

SushantAA

@sushant.co19_gitlab

I am trying to fix this from the last 3 days and not able to fix
Command------ docker run -ti -p 127.0.0.1:5432:5432 -e POSTGRES_HOST_AUTH_METHOD=trust -e LC_COLLATE=en_US.UTF8 -e LC_CTYPE=en_US.UTF8 --rm postgres:11 -c log_statement=all

Error------ docker: Error response from daemon: driver failed programming external connectivity on endpoint trusting_feistel (c76e7077bd6e012a2282670506334a0aef50695489dc20a1992e00e205f0954c): Error starting userland proxy: listen tcp 127.0.0.1:5432: bind: address already in use.

OS: Ubuntu

matrixbot

@matrixbot

Haley something is using the port already.

Davide Pugliese

@Deviad

Hello

Has anyone got this issue:
?

download.docker.com/linux/centos/something

Does it mean we need to install it from binaries now?

Davide Pugliese

@Deviad

Anyone?

docker/docker.github.io#11699

Azeddine

@taoufiqi

hello

Josh Reynolds

@jshreynolds

@sushant.co19_gitlab This means the port you are trying to bind to on your actual machine is either running a postgres locally or you already have a dockerized postgres running. you could try netstat -tanp to see what's listening on the port.

SushantAA

@sushant.co19_gitlab

thanks @jshreynolds . I solved it .

zzhssg

@zzhssg

corentin

@corenti13711539_twitter

I'm trying to run Docker inside Docker and mounting the /var/run/docker.sock socket. The socket gets the following permissions and ownership inside the container:

srwxr-xr-x 1 root root 0 Nov  8 17:20 /var/run/docker.sock

meaning it can't be accessed from inside the container with regular user privileges.
What's the best way to resolve this?

Tango Tan

@tango0o

sudo chown root:youxxx /var/run/docker.sock

youxxx -> docker

try to do it...

corentin

@corenti13711539_twitter

hmm. The socket is not there at container build time when I could still switch between root and regular user. The socket only available at container run time. And at that point the container is being run as a regular user.

I could configure sudo at container build time to allow user X to run the command you suggested.

Are there any other ways to tackle this?
Can I e.g. specify permissions for individual mounts somehow when starting the container?

vaibhavk1985

@vaibhavk1985

I am facing performance issues with django +gunicorn+nginx
I am getting 499 and 502 error
100 Users is hitting one url at same time
Anyone can help me

I am using aws ebs t2.xlarge instance

Roberto Di Lillo

@koop4

Hi Guys.
I have a dockerized node api, and I'd like to add a cache layer with redis.
I just completed the implementation within the node app but I'm realizing that this way the cache will be striclty linked with each container, is that right?

What's the common practce? should i add a cache layer in a different container and configure the api image to connect to that container to check if the cache contains anything?

matrixbot

@matrixbot

alephu5 Both ways are just as easy; if you use docker-compose you can use the name of the redis service as the URL. The advantage of using two separate containers is that you can put the containers on separate nodes if you want.

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