add Phase 2B contained runtime artifacts

docs/le-app-database-migration/phase2b-contained-runtime/payload/srv/le-app-codex/home/.config/docker/daemon.json

@@ -0,0 +1,16 @@
+{
+  "data-root": "/srv/le-app-codex/container-runtime/docker",
+  "storage-driver": "fuse-overlayfs",
+  "live-restore": false,
+  "userland-proxy": false,
+  "ipv6": false,
+  "ip6tables": false,
+  "iptables": true,
+  "hosts": ["unix:///run/user/1200/docker.sock"],
+  "log-driver": "local",
+  "log-opts": {
+    "max-size": "20m",
+    "max-file": "5"
+  }
+}
+

docs/le-app-database-migration/phase2b-contained-runtime/payload/srv/le-app-codex/home/.config/systemd/user/docker.service

@@ -0,0 +1,34 @@
+[Unit]
+Description=Laser Everything rootless Docker
+Documentation=https://docs.docker.com/engine/security/rootless/
+
+[Service]
+Type=notify
+NotifyAccess=all
+KillMode=mixed
+Environment=HOME=/srv/le-app-codex/home
+Environment=XDG_RUNTIME_DIR=/run/user/1200
+Environment=DOCKER_HOST=unix:///run/user/1200/docker.sock
+Environment=DOCKERD_ROOTLESS_ROOTLESSKIT_STATE_DIR=/run/user/1200/dockerd-rootless
+Environment=DOCKERD_ROOTLESS_ROOTLESSKIT_NET=slirp4netns
+Environment=DOCKERD_ROOTLESS_ROOTLESSKIT_PORT_DRIVER=builtin
+Environment=DOCKERD_ROOTLESS_ROOTLESSKIT_MTU=65520
+Environment=DOCKERD_ROOTLESS_ROOTLESSKIT_SLIRP4NETNS_SANDBOX=true
+Environment=DOCKERD_ROOTLESS_ROOTLESSKIT_SLIRP4NETNS_SECCOMP=true
+Environment=DOCKERD_ROOTLESS_ROOTLESSKIT_DISABLE_HOST_LOOPBACK=true
+Environment=DOCKERD_ROOTLESS_ROOTLESSKIT_DETACH_NETNS=false
+ExecStart=/usr/local/libexec/dockerd-rootless-29.6.1.sh
+ExecReload=/usr/bin/kill -s HUP $MAINPID
+Restart=always
+RestartSec=2
+TimeoutStartSec=0
+TimeoutStopSec=120
+LimitNOFILE=infinity
+LimitNPROC=infinity
+LimitCORE=infinity
+TasksMax=infinity
+Delegate=yes
+
+[Install]
+WantedBy=default.target
+