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Issues setting up instance with docker (lemmy.world)

submitted 1 year ago* (last edited 1 year ago) by nulluser@lemmy.world to c/lemmy_support@lemmy.ml

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I'm trying to spin up an instance on a local VM for my own testing so using the docker install.

I've reaching the point the instructions that say to run docker-compose up -d.

When I run that as my normal non-root user, I get a permission denied error.

$ docker-compose up -d
Traceback (most recent call last):
  File "/usr/lib/python3/dist-packages/urllib3/connectionpool.py", line 699, in urlopen
    httplib_response = self._make_request(
  File "/usr/lib/python3/dist-packages/urllib3/connectionpool.py", line 394, in _make_request
    conn.request(method, url, **httplib_request_kw)
  File "/usr/lib/python3.10/http/client.py", line 1282, in request
    self._send_request(method, url, body, headers, encode_chunked)
  File "/usr/lib/python3.10/http/client.py", line 1328, in _send_request
    self.endheaders(body, encode_chunked=encode_chunked)
  File "/usr/lib/python3.10/http/client.py", line 1277, in endheaders
    self._send_output(message_body, encode_chunked=encode_chunked)
  File "/usr/lib/python3.10/http/client.py", line 1037, in _send_output
    self.send(msg)
  File "/usr/lib/python3.10/http/client.py", line 975, in send
    self.connect()
  File "/usr/lib/python3/dist-packages/docker/transport/unixconn.py", line 30, in connect
    sock.connect(self.unix_socket)
PermissionError: [Errno 13] Permission denied

The first time I ran it with sudo, it downloaded a bunch of stuff (but to where I have no clue), and then gave the following error. Every subsequent run it skips the downloading (presumably because it already has all that), and goes straight to the error.

$ sudo docker-compose up -d
Creating network "lemmy_lemmyinternal" with driver "bridge"
Creating network "lemmy_lemmyexternalproxy" with the default driver
Pulling pictrs (asonix/pictrs:0.4.0-beta.19)...
0.4.0-beta.19: Pulling from asonix/pictrs
ef5531b6e74e: Pull complete
1f0396fae2e3: Pull complete
9115eac87d97: Pull complete
e38b3eb392e4: Pull complete
4d5295668c45: Pull complete
Digest: sha256:480d36cd97e5e98e7c76c7d226dc009bd5bb9fa065fdc1f4207699f16e8cc61e
Status: Downloaded newer image for asonix/pictrs:0.4.0-beta.19
Pulling postgres (postgres:15-alpine)...
15-alpine: Pulling from library/postgres
31e352740f53: Pull complete
d7c8ef16402f: Pull complete
36cb57831f52: Pull complete
a120e2610875: Pull complete
64f9e9ad23bd: Pull complete
dd2a4281faaa: Pull complete
daef310ca2c6: Pull complete
c47c060e762a: Pull complete
Digest: sha256:48d8422c6ae570a5bda52f07548b8e65dd055ac0b661f25b44b20e8cff2f75f0
Status: Downloaded newer image for postgres:15-alpine
Building lemmy
unable to prepare context: unable to evaluate symlinks in Dockerfile path: lstat /home/ME/docker: no such file or directory

It's clearly complaining about a missing file or folder in my home dir, but I have no idea what's supposed to be in that file/folder and it's not mentioned in the instructions. Suggestions?

ETA: Just to try something, I did a mkdir ~/docker and then touch ~/docker/Dockerfile, and now I get...

$ sudo docker-compose up -d
Building lemmy
Sending build context to Docker daemon  111.6MB
Error response from daemon: the Dockerfile (docker/Dockerfile) cannot be empty
ERROR: Service 'lemmy' failed to build : Build failed

Again. I have no idea what's supposed to be in that file. It's not mentioned in the instructions.

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[–] kristian@lemmy.astheriver.art 1 points 1 year ago (1 children)

I think I had that same error regarding numbers and strings: if you’re using that docker-compose file you need to put “” quotation marks around the number 4 in line 7, so it reads max-file: “4”

You’re probably better off using the docker-compose.yml from the Ansible repo as your starting point and working from there, the one in the main repo is a bit of a mess as it’s being actively worked on at the minute.

[–] nulluser@lemmy.world 0 points 1 year ago* (last edited 1 year ago) (1 children)

Ok, that definitely helped. It now seems to run without errors...

Creating lemmy_pictrs_1   ... done
Creating lemmy_postgres_1 ... done
Creating lemmy_lemmy_1    ... done
Creating lemmy_lemmy-ui_1 ... done
Creating lemmy_proxy_1    ... done

But, then it just drops back to the command line. The docs say You can access the lemmy-ui at http://localhost:80, however, running a browser directly on the VM that lemmy is (supposedly) running on, and going to any of localhost:80, 127.0.0.1:80, the.machine.ip:80, all say unable to connect.

Seems to be running?

$ ps -ef | grep lemmy
avahi        613       1  0 02:47 ?        00:00:02 avahi-daemon: running [lemmy.local]
root       28970   28950  0 08:29 ?        00:00:00 /app/lemmy
70         29018   27950  0 08:29 ?        00:00:00 postgres: lemmy lemmy 172.19.0.3(33172) idle
70         29019   27950  0 08:29 ?        00:00:00 postgres: lemmy lemmy 172.19.0.3(33182) idle
70         29020   27950  0 08:29 ?        00:00:00 postgres: lemmy lemmy 172.19.0.3(33188) idle
70         29022   27950  0 08:29 ?        00:00:00 postgres: lemmy lemmy 172.19.0.3(33194) idle
70         29024   27950  0 08:29 ?        00:00:00 postgres: lemmy lemmy 172.19.0.3(33204) idle
70         29025   27950  0 08:29 ?        00:00:00 postgres: lemmy lemmy 172.19.0.3(33212) idle
70         29026   27950  0 08:29 ?        00:00:00 postgres: lemmy lemmy 172.19.0.3(33216) idle

Any tips on where to find logs, etc? I'm not even sure where it downloaded everything to, as it's not in the lemmy folder that the instructions had me create.

ETA: netstat -lp doesn't seem to show it listening on any ports.

[–] pipipopo@lemmy.pipipopo.pl 1 points 1 year ago

Try add port to proxy and check http://localhost:82

  proxy:
    ports:
      - 82:80
      - 1236:1236
      - 8536:8536