Hallo Chris,
schon mal Danke für die Hilfe.
Ich habe dies nun geändert:

Dann den Container neu deployed.
Dann die Seite mit dem Port aufgerufen:
Hier noch die Log-Files:
starting knxd
AH00558: apache2: Could not reliably determine the server's fully qualified domain name, using 172.17.0.3. Set the 'ServerName' directive globally to suppress this message
AH00558: apache2: Could not reliably determine the server's fully qualified domain name, using 172.17.0.3. Set the 'ServerName' directive globally to suppress this message
[Sat Dec 29 22:43:57.416685 2018] [mpm_prefork:notice] [pid 1] AH00163: Apache/2.4.25 (Debian) PHP/7.2.12 configured -- resuming normal operations
[Sat Dec 29 22:43:57.417019 2018] [core:notice] [pid 1] AH00094: Command line: 'apache2 -D FOREGROUND'
192.168.255.1 - - [29/Dec/2018:22:44:13 +0000] "GET / HTTP/1.1" 200 1948 "-" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/71.0.3578.98 Safari/537.36"
192.168.255.1 - - [29/Dec/2018:22:44:13 +0000] "GET /designs/designglobals.css HTTP/1.1" 200 1213 "http://192.168.255.235:18080/" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/71.0.3578.98 Safari/537.36"
192.168.255.1 - - [29/Dec/2018:22:44:13 +0000] "GET /dependencies/require-2.1.15.min.js HTTP/1.1" 200 6351 "http://192.168.255.235:18080/" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/71.0.3578.98 Safari/537.36"
192.168.255.1 - - [29/Dec/2018:22:44:13 +0000] "GET /icon/comet_16x16_ff8000.png HTTP/1.1" 200 949 "http://192.168.255.235:18080/" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/71.0.3578.98 Safari/537.36"
192.168.255.1 - - [29/Dec/2018:22:44:13 +0000] "GET /main.js HTTP/1.1" 200 84740 "http://192.168.255.235:18080/" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/71.0.3578.98 Safari/537.36"
192.168.255.1 - - [29/Dec/2018:22:44:13 +0000] "GET /config/visu_config.xml?_=1546123453215 HTTP/1.1" 200 1178 "http://192.168.255.235:18080/" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/71.0.3578.98 Safari/537.36"
192.168.255.1 - - [29/Dec/2018:22:44:13 +0000] "GET /icon/comet_64_ff8000.png HTTP/1.1" 200 2036 "http://192.168.255.235:18080/" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/71.0.3578.98 Safari/537.36"
192.168.255.1 - - [29/Dec/2018:22:44:13 +0000] "GET /designs/pure/basic.css HTTP/1.1" 200 3092 "http://192.168.255.235:18080/" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/71.0.3578.98 Safari/537.36"
192.168.255.1 - - [29/Dec/2018:22:44:13 +0000] "GET /designs/pure/mobile.css HTTP/1.1" 200 413 "http://192.168.255.235:18080/" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/71.0.3578.98 Safari/537.36"
192.168.255.1 - - [29/Dec/2018:22:44:13 +0000] "GET /designs/pure/custom.css HTTP/1.1" 200 283 "http://192.168.255.235:18080/" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/71.0.3578.98 Safari/537.36"
192.168.255.1 - - [29/Dec/2018:22:44:13 +0000] "GET /designs/pure/design_setup.js HTTP/1.1" 200 519 "http://192.168.255.235:18080/" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/71.0.3578.98 Safari/537.36"
192.168.255.1 - - [29/Dec/2018:22:44:13 +0000] "GET /plugins/colorchooser/structure_plugin.js HTTP/1.1" 200 2937 "http://192.168.255.235:18080/" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/71.0.3578.98 Safari/537.36"
192.168.255.1 - - [29/Dec/2018:22:44:13 +0000] "GET /plugins/upnpcontroller/structure_plugin.js HTTP/1.1" 200 2401 "http://192.168.255.235:18080/" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/71.0.3578.98 Safari/537.36"
192.168.255.1 - - [29/Dec/2018:22:44:13 +0000] "GET /plugins/colorchooser/farbtastic/farbtastic.css HTTP/1.1" 200 585 "http://192.168.255.235:18080/" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/71.0.3578.98 Safari/537.36"
192.168.255.1 - - [29/Dec/2018:22:44:13 +0000] "GET /plugins/diagram/structure_plugin.js HTTP/1.1" 200 25552 "http://192.168.255.235:18080/" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/71.0.3578.98 Safari/537.36"
192.168.255.1 - - [29/Dec/2018:22:44:13 +0000] "GET /plugins/upnpcontroller/upnpcontroller.css HTTP/1.1" 200 620 "http://192.168.255.235:18080/" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/71.0.3578.98 Safari/537.36"
192.168.255.1 - - [29/Dec/2018:22:44:13 +0000] "GET /cgi-bin/l?u=demo_user HTTP/1.1" 200 220 "http://192.168.255.235:18080/" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/71.0.3578.98 Safari/537.36"
192.168.255.1 - - [29/Dec/2018:22:44:17 +0000] "GET /manager.php HTTP/1.1" 200 3006 "http://192.168.255.235:18080/" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/71.0.3578.98 Safari/537.36"
192.168.255.1 - - [29/Dec/2018:22:44:17 +0000] "GET /icon/comet_icon_128x128_ff8000.png HTTP/1.1" 200 5785 "http://192.168.255.235:18080/manager.php" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/71.0.3578.98 Safari/537.36"
192.168.255.1 - - [29/Dec/2018:22:44:17 +0000] "GET /dependencies/jquery.js HTTP/1.1" 200 77447 "http://192.168.255.235:18080/manager.php" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/71.0.3578.98 Safari/537.36"
192.168.255.1 - - [29/Dec/2018:22:44:17 +0000] "GET /icon/knx-uf-iconset.svg HTTP/1.1" 200 3174074 "http://192.168.255.235:18080/manager.php" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/71.0.3578.98 Safari/537.36"
127.0.0.1 - - [29/Dec/2018:22:44:24 +0000] "OPTIONS * HTTP/1.0" 200 126 "-" "Apache/2.4.25 (Debian) PHP/7.2.12 (internal dummy connection)"
192.168.255.1 - - [29/Dec/2018:22:44:24 +0000] "GET /?config=WIL HTTP/1.1" 200 1948 "http://192.168.255.235:18080/manager.php" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/71.0.3578.98 Safari/537.36"
192.168.255.1 - - [29/Dec/2018:22:44:24 +0000] "GET /config/visu_config_WIL.xml?_=1546123464438 HTTP/1.1" 200 13788 "http://192.168.255.235:18080/?config=WIL" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/71.0.3578.98 Safari/537.36"
192.168.255.1 - - [29/Dec/2018:22:44:24 +0000] "GET /designs/metal/mobile.css HTTP/1.1" 200 624 "http://192.168.255.235:18080/?config=WIL" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/71.0.3578.98 Safari/537.36"
192.168.255.1 - - [29/Dec/2018:22:44:24 +0000] "GET /designs/metal/custom.css HTTP/1.1" 200 281 "http://192.168.255.235:18080/?config=WIL" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/71.0.3578.98 Safari/537.36"
192.168.255.1 - - [29/Dec/2018:22:44:24 +0000] "GET /designs/metal/design_setup.js HTTP/1.1" 200 1140 "http://192.168.255.235:18080/?config=WIL" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/71.0.3578.98 Safari/537.36"
192.168.255.1 - - [29/Dec/2018:22:44:24 +0000] "GET /designs/metal/basic.css HTTP/1.1" 200 5289 "http://192.168.255.235:18080/?config=WIL" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/71.0.3578.98 Safari/537.36"
168.255.1 - - [29/Dec/2018:22:44:24 +0000] "GET /designs/metal/fonts/Dosis-Medium.ttf HTTP/1.1" 200 174561 "http://192.168.255.235:18080/designs/metal/basic.css" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/71.0.3578.98 Safari/537.36"
192.168.255.1 - - [29/Dec/2018:22:44:24 +0000] "GET /cgi-bin/l?u=demo_user HTTP/1.1" 200 220 "http://192.168.255.235:18080/?config=WIL" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/71.0.3578.98 Safari/537.36"
192.168.255.1 - - [29/Dec/2018:22:44:25 +0000] "GET /designs/metal/images/head_bg.png HTTP/1.1" 200 424 "http://192.168.255.235:18080/designs/metal/basic.css" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/71.0.3578.98 Safari/537.36"
192.168.255.1 - - [29/Dec/2018:22:44:36 +0000] "GET /designs/metal/design_setup.js.map HTTP/1.1" 200 1394 "-" "Mozilla/5.0 (Linux; Android 6.0; Nexus 5 Build/MRA58N) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/71.0.3578.98 Mobile Safari/537.36"
192.168.255.1 - - [29/Dec/2018:22:44:36 +0000] "GET /dependencies/require-2.1.15.min.js.map HTTP/1.1" 200 7987 "-" "Mozilla/5.0 (Linux; Android 6.0; Nexus 5 Build/MRA58N) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/71.0.3578.98 Mobile Safari/537.36"
192.168.255.1 - - [29/Dec/2018:22:44:36 +0000] "GET /main.js.map HTTP/1.1" 200 298557 "-" "Mozilla/5.0 (Linux; Android 6.0; Nexus 5 Build/MRA58N) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/71.0.3578.98 Mobile Safari/537.36"
192.168.255.1 - - [29/Dec/2018:22:44:41 +0000] "GET /?config=WIL HTTP/1.1" 200 1947 "-" "Mozilla/5.0 (Linux; Android 6.0; Nexus 5 Build/MRA58N) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/71.0.3578.98 Mobile Safari/537.36"
192.168.255.1 - - [29/Dec/2018:22:44:41 +0000] "GET /config/visu_config_WIL.xml?_=1546123481081 HTTP/1.1" 200 13788 "http://192.168.255.235:18080/?config=WIL" "Mozilla/5.0 (Linux; Android 6.0; Nexus 5 Build/MRA58N) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/71.0.3578.98 Mobile Safari/537.36"
192.168.255.1 - - [29/Dec/2018:22:44:41 +0000] "GET /cgi-bin/l?u=demo_user HTTP/1.1" 200 220 "http://192.168.255.235:18080/?config=WIL" "Mozilla/5.0 (Linux; Android 6.0; Nexus 5 Build/MRA58N) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/71.0.3578.98 Mobile Safari/537.36"
[Sat Dec 29 22:49:26.031059 2018] [cgi:warn] [pid 29] [client 192.168.255.1:62874] AH01220: Timeout waiting for output from CGI script /usr/lib/cgi-bin/r, referer: http://192.168.255.235:18080/?config=WIL
[Sat Dec 29 22:49:26.031273 2018] [cgi:error] [pid 29] [client 192.168.255.1:62874] Script timed out before returning headers: r, referer: http://192.168.255.235:18080/?config=WIL
[Sat Dec 29 22:49:42.125611 2018] [cgi:warn] [pid 21] [client 192.168.255.1:62894] AH01220: Timeout waiting for output from CGI script /usr/lib/cgi-bin/r, referer: http://192.168.255.235:18080/?config=WIL
[Sat Dec 29 22:49:42.125875 2018] [cgi:error] [pid 21] [client 192.168.255.1:62894] Script timed out before returning headers: r, referer: http://192.168.255.235:18080/?config=WIL
Das Ergebnis ist leider nach wie vor das gleiche.
