Topics

Railway•10mo ago

tansan [chill/build mode]

Can't connect to Redis

This is the error I am getting. What I have checked so far * Made sure I used the env variables provided by Railway * Exposed the REDISPORT in my dockerfile

Error: connect ECONNREFUSED 127.0.0.1:6379

at TCPConnectWrap.afterConnect [as oncomplete] (node:net:1595:16) {

errno: -111,

code: 'ECONNREFUSED',

syscall: 'connect',

address: '127.0.0.1',

port: 6379

}

Error: connect ECONNREFUSED 127.0.0.1:6379

at TCPConnectWrap.afterConnect [as oncomplete] (node:net:1595:16) {

errno: -111,

code: 'ECONNREFUSED',

syscall: 'connect',

address: '127.0.0.1',

port: 6379

}

Solution:

Looks like a library bug: https://github.com/redis/node-redis/issues/2416

GitHub

createClient trying to connect with localhost even though URL is fo...

Description I am trying to create a client with URL redis://${process.env.REDIS_HOST}:${process.env.REDIS_PORT}, and sending REDIS_HOST=rediss and REDIS_PORT=6379, but still it is trying to connect...

Jump to solution

45 Replies

Percy•10mo ago

Project ID: N/A

tansan [chill/build mode]•10mo ago

049b9d61-9cd8-4102-aad9-1350a56e2b7e

tansan [chill/build mode]•10mo ago

I saw this message, but unclear what the actionable item is here for my Dockerfile

Brody•10mo ago

send the dockerfile please

tansan [chill/build mode]•10mo ago

FROM node:20-alpine

WORKDIR /app

ARG REDISPORT=6379

RUN apk add --update --no-cache \
    make \
    g++ \
    jpeg-dev \
    cairo-dev \
    giflib-dev \
    pango-dev \
    libtool \
    autoconf \
    automake \
    git

COPY package.json ./
COPY package-lock.json ./

RUN npm ci

COPY . .

# redis
EXPOSE ${REDISPORT}/tcp

CMD ["npm", "run", "start"]

FROM node:20-alpine

WORKDIR /app

ARG REDISPORT=6379

RUN apk add --update --no-cache \
    make \
    g++ \
    jpeg-dev \
    cairo-dev \
    giflib-dev \
    pango-dev \
    libtool \
    autoconf \
    automake \
    git

COPY package.json ./
COPY package-lock.json ./

RUN npm ci

COPY . .

# redis
EXPOSE ${REDISPORT}/tcp

CMD ["npm", "run", "start"]

I believe that is correct?

Brody•10mo ago

okay so help me understand why you have redisport stuff?

tansan [chill/build mode]•10mo ago

I thought Docker was not exposing the port correctly and the one provided to me by Railway is different from the default, so I am accepting it via the env var and exposing it

Brody•10mo ago

you're connecting to redis, you don't need to expose anything remove the ARG and EXPOSE stuff please next, show me a screenshot of your service variables please

tansan [chill/build mode]•10mo ago

tansan [chill/build mode]•10mo ago

Removed the ARG and EXPOSE and still unable to connect

Brody•10mo ago

I know, we will work through this, have patience please

tansan [chill/build mode]•10mo ago

Oh I was just updating you since you were instructing me to remove the arg and expose. I wasn't trying to rush you. My apologies if it came off that way.

Brody•10mo ago

go ahead and add the rest of the redis reference variables now

tansan [chill/build mode]•10mo ago

Okay, I just finished doing that

Brody•10mo ago

screenshot please

tansan [chill/build mode]•10mo ago

tansan [chill/build mode]•10mo ago

Do I have to keep those env vars even if I am only referencing REDIS_URL in my application code?

Brody•10mo ago

no, but I don't know what you reference in code so it was a safe bet to ask you to use them all now show me the redis connector code please

tansan [chill/build mode]•10mo ago

Brody•10mo ago

what package are you using for redis

tansan [chill/build mode]•10mo ago

https://github.com/redis/node-redis

GitHub

GitHub - redis/node-redis: Redis Node.js client

Redis Node.js client. Contribute to redis/node-redis development by creating an account on GitHub.

Brody•10mo ago

what's the ! for

tansan [chill/build mode]•10mo ago

TypeScript thing to tell it the var will always be defined

Brody•10mo ago

fancy

tansan [chill/build mode]•10mo ago

yeah pretty useful

Brody•10mo ago

okay well it looks fine then but your error comes from trying to connect to the default redis host and port, so your code isn't actually trying to connect to the url you have specified

tansan [chill/build mode]•10mo ago

Yeah, I suspect it might be a docker issue

Brody•10mo ago

no it's not, this is a code issue share your repo and I'll have a look to see if anything stands out for me?

tansan [chill/build mode]•10mo ago

For what it's worth, I have it working locally with a redis url I can share the file, but let me double check one thing

Brody•10mo ago

unfortunately "it works locally" does not rule out this being a code issue

Solution

tansan [chill/build mode]•10mo ago

Looks like a library bug: https://github.com/redis/node-redis/issues/2416

GitHub

createClient trying to connect with localhost even though URL is fo...

Description I am trying to create a client with URL redis://${process.env.REDIS_HOST}:${process.env.REDIS_PORT}, and sending REDIS_HOST=rediss and REDIS_PORT=6379, but still it is trying to connect...

tansan [chill/build mode]•10mo ago

Okay, I'll sort it out. I'll try explicit env vars of port, user, pass, etc...

Brody•10mo ago

see, it's a good thing I had you add them all!

tansan [chill/build mode]•10mo ago

kekW

Brody•10mo ago

foresight and see, it's not a docker issue

tansan [chill/build mode]•10mo ago

Not a docker issue, but definitely relevant

Brody•10mo ago

I don't see how it is, but lol

tansan [chill/build mode]•10mo ago

y u being like this naw but i think you're right though. I always think its docker related when i see errors related to 127.0.0.1

Brody•10mo ago

it's just a loopback address, really nothing to do with docker

tansan [chill/build mode]•10mo ago

@Brody guess what. It's docker relevant. Wait going to share a repo with you. I think you are more knowledgable here and might be able to explain this better than I can. @Brody Is it possible to rotate my REDIS username and password later? I am thinking to just hardcode it in the private repo for the brevity

Brody•10mo ago

chill with the pings please #🛂｜readme #5 but yes you can rotate your redis credentials, and no you should not hardcode the credentials even for brevity

tansan [chill/build mode]•10mo ago

My apologies. I appreciate you letting me know.

Brody•10mo ago

just share your repo lol again, it's not a docker issue, if this was, there would be a hell of a lot more people in here saying they can't connect to redis, since regardless of using a dockerfile or nixpacks, docker is used in the end

tansan [chill/build mode]•10mo ago

Ah nevermind. I was testing the repo then realized I made mistake in my earlier testing. I can't figure out the issue. Will try again in the morning! However, it's clear its a library issue, so I don't want to use anymore of your time! Thank you for the help, as always!

Brody•10mo ago

no problem

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