this post was submitted on 17 Dec 2024
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Ripping my hair out over this, how do I make Wireguard in Docker work? (sh.itjust.works)
submitted 5 days ago* (last edited 5 days ago) by amogussussywussy@sh.itjust.works to c/selfhosted@lemmy.world
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I'm a noob to self-hosting, I have set up some containers but only through watching tutorials on youtube, in reality I barely understand what I'm doing.

I have a wireguard docker container set up, but when I connect to it with my phone, there's no internet.

Can somebody tell me what I'm doing wrong? I just want to access my server outside my home network.

Here is the docker-compose.

version: "2.1" services: wireguard: image: linuxserver/wireguard container_name: wireguard cap_add: - NET_ADMIN - SYS_MODULE environment: - PUID=1000 - PGID=1000 - TZ=Asia/Singapore - SERVERURL=auto #optional - SERVERPORT=51820 #optional - PEERS=1 #optional - PEERDNS=auto #optional - INTERNAL_SUBNET=10.13.13.0 #optional volumes: - ./config:/config - /lib/modules:/lib/modules ports: - 51820:51820/udp sysctls: - net.ipv4.ip_forward=1 - net.ipv4.conf.all.src_valid_mark=1 restart: unless-stopped

Please tell me if there is anymore information I need to provide.

EDIT: fellas i figured it out, i just had to port foward 51820 on my router :sob: thank you for your help in the comments

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[–] Static_Rocket@lemmy.world 22 points 5 days ago* (last edited 5 days ago)

Reformatting that compose for people:

version: "2.1"                                                services:
  wireguard:
    image: linuxserver/wireguard
    container_name: wireguard
    cap_add:
      - NET_ADMIN
      - SYS_MODULE
    environment:
      - PUID=1000
      - PGID=1000
      - TZ=Asia/Singapore
      - SERVERURL=auto #optional
      - SERVERPORT=51820 #optional
      - PEERS=1 #optional
      - PEERDNS=auto #optional
      - INTERNAL_SUBNET=10.13.13.0 #optional
    volumes:
      - ./config:/config
      - /lib/modules:/lib/modules
    ports:
      - 51820:51820/udp
    sysctls:
      - net.ipv4.ip_forward=1
      - net.ipv4.conf.all.src_valid_mark=1
    restart: unless-stopped

Sounds like you didn't read the extended manual: https://github.com/linuxserver/docker-wireguard

There are a lot of other configs for that container that must be provided before startup. It's just a generic runner. If you want it to run as a server you need to follow this section: https://github.com/linuxserver/docker-wireguard?tab=readme-ov-file#server-mode

Are you at getting the handshake in the app? If so, you're probably just missing the dispatch commands for traffic masquerading.