dmesg

[10652.237699] docker0: port 1(veth3964e58) entered blocking state
[10652.244004] docker0: port 1(veth3964e58) entered disabled state
[10652.250357] device veth3964e58 entered promiscuous mode
[10652.270296] IPv6: ADDRCONF(NETDEV_UP): veth3964e58: link is not ready
[10652.548534] eth0: renamed from vethd5b200b
[10652.553348] IPv6: ADDRCONF(NETDEV_CHANGE): veth3964e58: link becomes ready
[10652.560451] docker0: port 1(veth3964e58) entered blocking state
[10652.566505] docker0: port 1(veth3964e58) entered forwarding state

docker log

 -------------------------------------
 
 [cont-init.d] 10-adduser: exited 0.
 [cont-init.d] 20-config: executing... 
 /var/run/s6/etc/cont-init.d/20-config: line 30: /config/bucket: Permission denied
 Using mount point: /donwloads
 Opening GCS connection...
 Opening bucket...
 Mounting file system...
 daemonize.Run: readFromProcess: sub-process: mountWithArgs: mountWithConn: Mount: stat /donwloads: no such file or directory
 [cont-init.d] 20-config: exited 0.
 [cont-init.d] 99-custom-scripts: executing... 
 [custom-init] no custom scripts found exiting...
 [cont-init.d] 99-custom-scripts: exited 0.
 [cont-init.d] done.
 [services.d] starting services
 crond[246]: crond (busybox 1.29.3) started, log level 0
 crond[246]: user:root entry:*/15    *       *       *       *       run-parts /etc/periodic/15min
 crond[246]: user:root entry:0       *       *       *       *       run-parts /etc/periodic/hourly
 crond[246]: user:root entry:0       2       *       *       *       run-parts /etc/periodic/daily
 crond[246]: user:root entry:0       3       *       *       6       run-parts /etc/periodic/weekly
 crond[246]: user:root entry:0       5       1       *       *       run-parts /etc/periodic/monthly
 crond[246]: user:root entry:0 3 * * * /config/blocklist-update.sh 2>&1
 [services.d] done.
 [2019-05-21 19:17:43.078] Transmission 2.94 (d8e60ee44f) started (session.c:740)
 [2019-05-21 19:17:43.078] RPC Server Adding address to whitelist: 127.0.0.1 (rpc-server.c:971)
 [2019-05-21 19:17:43.078] RPC Server Serving RPC and Web requests on port 127.0.0.1:9091/transmission/ (rpc-server.c:1213)
 [2019-05-21 19:17:43.078] UDP Failed to set receive buffer: requested 4194304, got 425984 (tr-udp.c:84)
 [2019-05-21 19:17:43.078] UDP Please add the line "net.core.rmem_max = 4194304" to /etc/sysctl.conf (tr-udp.c:89)
 [2019-05-21 19:17:43.078] UDP Failed to set send buffer: requested 1048576, got 425984 (tr-udp.c:95)
 [2019-05-21 19:17:43.078] UDP Please add the line "net.core.wmem_max = 1048576" to /etc/sysctl.conf (tr-udp.c:100)
 [2019-05-21 19:17:43.078] DHT Generating new id (tr-dht.c:311)
 [2019-05-21 19:17:43.078] Using settings from "/config" (daemon.c:528)
 [2019-05-21 19:17:43.078] Saved "/config/settings.json" (variant.c:1266)
 [2019-05-21 19:17:43.078] Watching "/watch" for new .torrent files (daemon.c:573)
 [2019-05-21 19:17:43.078] Port Forwarding (NAT-PMP) initnatpmp succeeded (0) (natpmp.c:70)
 [2019-05-21 19:17:43.078] Port Forwarding (NAT-PMP) sendpublicaddressrequest succeeded (2) (natpmp.c:70)
 [2019-05-21 19:17:51.078] Port Forwarding State changed from "Not forwarded" to "Starting" (port-forwarding.c:92)

docker-compose.yml

version: "3.3"
services:
  transmission:
    image: amitie10g/transmission
    container_name: transmission
    environment:
      - PUID=1001
      - PGID=1002
      - TZ=UTC
    ports:
      - 9091:9091
      - 51413:51413
      - 51413:51413/udp
    restart: unless-stopped
    volumes:
      - /home/davidkingnt/config:/config
      - /home/davidkingnt/watch:/watch
    devices:
      - "/dev/fuse:/dev/fuse"

run.sh

#!/bin/bash

# Envirnment variables (set manually if necessary)
PUID=578505547
PGID=578505547
TZ=UTC
CONF_PATH=/home/davidkingnt_gmail_com/config
WATCH_PATH=/home/davidkingnt_gmail_com/config
NAME=transmission
IMAGE=amitie10g/transmission

case $1 in
  build)
    git clone --branch gcsfuse https://github.com/Amitie10g/docker-transmission.git
    cd docker-transmission
    docker build \
      --no-cache \
      --pull \
      --compress \
      -t $IMAGE:latest .
    ;;

  pull)
    docker image pull $IMAGE
    ;;
  
  stop)
    docker stop $NAME
    docker rm $NAME
    ;;
    
  rm|delete)
    docker image rm $IMAGE
    ;;
    
  shell)
    docker exec -i -t $NAME /bin/bash
    ;;
    
  log|logs)
    docker logs --details $NAME
    ;;

  *)
    docker run -t -i -d \
      --name=$NAME \
      -e PUID=$PUID \
      -e PGID=$PGID \
      -e TZ=$TZ \
      -e TRANSMISSION_WEB_HOME=/combustion-release/ \
      -p 9091:9091 \
      -p 51413:51413 \
      -p 51413:51413/udp \
      -v $CONF_PATH:/config \
      -v $WATCH_PATH:/watch \
      --device=/dev/fuse \
      --restart unless-stopped \
      $IMAGE
    ;;
esac