[ADMIN] Add Github Composite Actions for Docker images

[marco-lancini]

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[github-actions]

Image: 📋 markserv

	Step	Result
🎫	Login	success
📖	Build	success
🛡	Trivy	success

Build:

Step 1/8 : FROM node:12-alpine
 ---> b30595aabe53
Step 2/8 : RUN npm i -g markserv
 ---> Running in 42242e44847a
�[91mnpm WARN�[0m�[91m deprecated chokidar@2.1.8: Chokidar 2 will break on node v14+. Upgrade to chokidar 3 with 15x less dependencies.
�[0m�[91mnpm WARN deprecated fsevents@1.2.13: fsevents 1 will break on node v14+ and could be using insecure binaries. Upgrade to fsevents 2.
�[0m�[91mnpm WARN deprecated resolve-url@0.2.1: https://github.com/lydell/resolve-url#deprecated
�[0m�[91mnpm WARN deprecated urix@0.1.0: Please see https://github.com/lydell/urix#deprecated
�[0m/usr/local/bin/readme -> /usr/local/lib/node_modules/markserv/lib/readme.js
/usr/local/bin/markserv -> /usr/local/lib/node_modules/markserv/lib/cli.js
�[91mnpm WARN notsup Unsupported engine for got@5.7.1: wanted: {"node":">=0.10.0 <7"} (current: {"node":"12.22.6","npm":"6.14.15"})
npm WARN notsup Not compatible with your version of node/npm: got@5.7.1
�[0m�[91mnpm WARN optional SKIPPING OPTIONAL DEPENDENCY: fsevents@^1.2.7 (node_modules/markserv/node_modules/chokidar/node_modules/fsevents):
npm WARN notsup SKIPPING OPTIONAL DEPENDENCY: Unsupported platform for fsevents@1.2.13: wanted {"os":"darwin","arch":"any"} (current: {"os":"linux","arch":"x64"})
�[0m�[91m
�[0m+ markserv@1.17.4
added 372 packages from 230 contributors in 18.93s
Removing intermediate container 42242e44847a
 ---> 768f90245a7b
Step 3/8 : RUN addgroup --gid 11111 -S app
 ---> Running in 7b85f9679bbe
Removing intermediate container 7b85f9679bbe
 ---> f12273895507
Step 4/8 : RUN adduser -s /bin/false -u 11111 -G app -S app
 ---> Running in 4cd929e3ca88
Removing intermediate container 4cd929e3ca88
 ---> f800d603c175
Step 5/8 : WORKDIR /src
 ---> Running in ea86a86f540d
Removing intermediate container ea86a86f540d
 ---> ede92e162b15
Step 6/8 : RUN chown -R app:app /src
 ---> Running in 97fe68be78ae
Removing intermediate container 97fe68be78ae
 ---> 1ed9283b04fa
Step 7/8 : USER app
 ---> Running in 5c0da2f14a0d
Removing intermediate container 5c0da2f14a0d
 ---> 66994eed1636
Step 8/8 : ENTRYPOINT [ "markserv", "-a", "0.0.0.0", "-p", "9090", "/src" ]
 ---> Running in 55f8d9445dfe
Removing intermediate container 55f8d9445dfe
 ---> 4387009bac42
Successfully built 4387009bac42
Successfully tagged markserv:build

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Pusher: @marco-lancini, Action: pull_request