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--- docker [2022/08/23 08:44] – [Docker] admin
+++ docker [2024/11/09 16:11] (current) – [Docker] admin
@@ Line 1: / Line 1: @@
 ===== Docker =====
-<code BaASH>
+https://github.com/docker/labs/tree/master/networking/concepts https://sysdig.com/blog/dockerfile-best-practices/ \\
+dns https://kerneltalks.com/networking/how-docker-container-dns-works/ \\
+https://labs.play-with-docker.com/ \\
+<code BASH>
 docker -D info
+docker compose --ansi=never up --quiet-pull
 </code>
+===== Docker.goodPackages =====
+  * [[https://github.com/linuxserver|linuxserver]], [[https://github.com/hotio|hotio]], and [[https://github.com/binhex?tab=repositories|binhex]]    - packages [[https://www.reddit.com/r/unRAID/comments/18fcq05/binhex_who/|reddit]]
+  * updates and good packages https://blog.bozdaganian.com/2020/12/12/watchtower-to-monitor-docker-image-updates/#2
+  * unusual way https://www.youtube.com/watch?v=zfNqp85g5JM
+  * https://github.com/docker/awesome-compose
+===== Docker.scout  =====
+  * scout - security scan
+===== Docker.dedockify  =====
+  * dedockify https://github.com/mrhavens/Dedockify
 ==== Docker.Learning ====
   * https://dockerlabs.collabnix.com/ - learning
   * base technology [[https://opensource.com/article/21/8/container-linux-technology|cgroups namespaces]] [[https://opensource.com/article/21/9/container-runtimes|runtimes]] [[https://opensource.com/article/21/8/container-image|container-image]]
   * :!: !!! cloud native computing foundation - https://www.cncf.io/ ↬ https://landscape.cncf.io/
+  * https://habr.com/ru/company/timeweb/blog/558612/ - сеть контейнеров
   * https://www.youtube.com/watch?v=2MJn2yfa6A8 - новый docker compose и plugins смотреть
@@ Line 26: / Line 45: @@
 # docker find by name
 docker ps -a --format "{{.ID}} {{.Names}}" --filter name=UismvProd_Db
+# docker find thin r/w layer aufs by container id - ``docker ps``
+cat /var/lib/docker/image/aufs/layerdb/mounts/<CONTAINERID>*/mount-id
+<ID>
+# real files in -> /var/lib/docker/aufs/diff/<ID>    <ID>-init - entry point  of container aufs start
+# find container by name of catalog AUFS DIFF
+grep 09c1f3c8c5adfb9241d477a61b5b04fd4cde07959dbee5ad385c4ef9c5e9d71d /var/lib/docker/image/aufs/layerdb/mounts/*/mount-id
+<RESULT>
+# this give id in path -> /var/lib/docker/aufs/diff/<RESULT>/etc/freeradius/
 # inspecting docker with jq - mounts
@@ Line 76: / Line 106: @@
 docker-reception_pma_1                            63.4kB (virtual 89.7MB)                       0.0.0.0:8081->8080/tcp                                         Up 2 months
 docker-reception_nginx_1                          2B (virtual 126MB)                            0.0.0.0:80->80/tcp, 0.0.0.0:443->443/tcp                       Up 3 months
+</code>
+=== Docker. determining container responsible for largest overlay directories  ===
+<code BASH>
+# huge containers overlay container size
+# as root $ sudo su     # make sure json parser is installed  $ apt-get install jq -y
+# grab the size and path to the largest overlay dir
+du /var/lib/docker/overlay2 -h | sort -h | tail -n 100 | grep -vE "overlay2$" > /tmp/large-overlay.txt
+# construct mappings of name to hash
+docker inspect $(docker ps -qa) | jq -r 'map([.Name, .GraphDriver.Data.MergedDir]) | .[] | "\(.[0])\t\(.[1])"' > /tmp/docker-mappings.txt
+# for each hashed path, find matching container name
+cat /tmp/large-overlay.txt | xargs -l bash -c 'if grep $1 /tmp/docker-mappings.txt; then echo -n "$0 "; fi'
 </code>
 ==== Docker BuildKit====
@@ Line 228: / Line 274: @@
+===== Docker baseimage to ease creation of X graphical application containers GUI=====
+  * https://github.com/jlesage/docker-baseimage-gui
 ===== Docker Network =====
   * https://www.youtube.com/watch?v=bKFMS5C4CG0