Dynamic container systemd service

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# Dynamic container systemd service
# Files:
# ~/.config/systemd/user/[email protected]
# ~/.config/container@<name of container>.conf
# Usage:
# command: systemctl --user start container@<name of container>
# config: container@<name of container>.conf

[Unit]
Description=Podman %n
Documentation=man:podman-generate-systemd(1)
Wants=network-online.target
After=network-online.target
RequiresMountsFor=%t/containers

[Service]
Environment=PODMAN_SYSTEMD_UNIT=%n
EnvironmentFile=%h/.config/%N.conf
Restart=always
TimeoutStopSec=70
ExecStartPre=/bin/rm -f %t/%n.ctr-id
ExecStart=/usr/bin/podman run --cidfile=%t/%n.ctr-id --cgroups=no-conmon --sdnotify=conmon \
    --label "io.containers.autoupdate=registry" \
    --rm \
    --replace \
    --detach \
    --name %i \
    --hostname %i \
    $PODMAN_RUN_ARGS \
    $ENV \
    $VOLUMES \
    $PUBLISH \
    $IMAGE \
    $COMMAND
ExecStop=/usr/bin/podman stop --ignore --cidfile=%t/%n.ctr-id
ExecStopPost=/usr/bin/podman rm -f --ignore --cidfile=%t/%n.ctr-id
Type=notify
NotifyAccess=all

[Install]
WantedBy=multi-user.target default.target

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# use this env except [--rm, --replace, --detach, --name, --hostname]
PODMAN_RUN_ARGS=

ENV=--env PUID=1000 \
    --env PGID=1000 \
    --env TZ=Europe/London \

PUBLISH=--publish 8384:8384 \
        --publish 22000:22000/tcp \
        --publish 22000:22000/udp \
        --publish 21027:21027/udp \

VOLUMES=--volume syncthing_data:/config

IMAGE=lscr.io/linuxserver/syncthing

COMMAND=