[8.19] [Build] Address further dockerhub feedback on default Dockerfile (#128686) (#128946)

* [Build] Address further dockerhub feedback on default Dockerfile (#128686)

* [Build] Address further dockerhub feedback on default Dockerfile
* Bring back license folder
* Minor cleanup
* polishing

(cherry picked from commit 649b505)

# Conflicts:
#	distribution/docker/src/docker/dockerfiles/default/Dockerfile

* Fix merge conflict

- only add the fixed tini checksum check

* Fix arch detection on ubuntu base image

Author: breskeby

distribution/docker/src/docker/dockerfiles/default/Dockerfile

@@ -29,18 +29,15 @@ RUN apt-get update -y && DEBIAN_FRONTEND=noninteractive apt-get install -y curl
 # The tini GitHub page gives instructions for verifying the binary using
 # gpg, but the keyservers are slow to return the key and this can fail the
 # build. Instead, we check the binary against the published checksum.
-RUN set -eux ; \\
-    tini_bin="" ; \\
+RUN set -eux; \\
     case "\$(arch)" in \\
-        aarch64) tini_bin='tini-arm64' ;; \\
-        x86_64)  tini_bin='tini-amd64' ;; \\
-        *) echo >&2 ; echo >&2 "Unsupported architecture \$(arch)" ; echo >&2 ; exit 1 ;; \\
+        aarch64) tini_bin='tini-arm64'; tini_sum='07952557df20bfd2a95f9bef198b445e006171969499a1d361bd9e6f8e5e0e81' ;; \\
+        x86_64)  tini_bin='tini-amd64'; tini_sum='93dcc18adc78c65a028a84799ecf8ad40c936fdfc5f2a57b1acda5a8117fa82c' ;; \\
+        *) echo >&2 "Unsupported architecture \$arch"; exit 1 ;; \\
     esac ; \\
-    curl --retry 10 -S -L -O https://github.com/krallin/tini/releases/download/v0.19.0/\${tini_bin} ; \\
-    curl --retry 10 -S -L -O https://github.com/krallin/tini/releases/download/v0.19.0/\${tini_bin}.sha256sum ; \\
-    sha256sum -c \${tini_bin}.sha256sum ; \\
-    rm \${tini_bin}.sha256sum ; \\
-    mv \${tini_bin} /bin/tini ; \\
+    curl -f --retry 10 -S -L -o /tmp/tini https://github.com/krallin/tini/releases/download/v0.19.0/\${tini_bin}; \\
+    echo "\${tini_sum}  /tmp/tini" | sha256sum -c -; \\
+    mv /tmp/tini /bin/tini; \\
     chmod 0555 /bin/tini
 
 RUN mkdir /usr/share/elasticsearch