Add explanation if Docker boot fails because of missing js dir,

remove Username from gochan.json in Docker since there's no www-data user

build.py

@@ -17,7 +17,7 @@ from pathlib import Path
 import shutil
 import subprocess
 import sys
-
+import traceback
 
 release_files = (
 	"html/banned.png",
@@ -339,6 +339,13 @@ def install(prefix="/usr", document_root="/srv/gochan", symlinks=False, js_only=
 				mkdir(path.join(prefix, "share/gochan/templates/override/"))
 		except shutil.SameFileError as err:
 			print(err)
+		except FileNotFoundError as err:
+			if file == "html/js/":
+				print("Missing html/js directory, this must be built before installation by running python3 build.py js, or mkdir html/js if you don't want JavaScript")
+			else:
+				traceback.print_exc()
+			sys.exit(1)
+
 
 	if path.exists(gochan_exe) is False:
 		build()

docker/Dockerfile

@@ -42,6 +42,7 @@ EXPOSE 9000
 CMD ls -la /opt/gochan && ls -la && ls -la .. && sed -i /etc/gochan/gochan.json \
 	-e 's/"Port": 8080/"Port": 9000/' \
 	-e 's/"UseFastCGI": false/"UseFastCGI": true/' \
+	-e 's/"Username": ".*",//' \
 	-e 's#"DocumentRoot": "html"#"DocumentRoot": "/srv/gochan"#' \
 	-e 's#"TemplateDir": "templates"#"TemplateDir": "/usr/share/gochan/templates"#' \
 	-e 's#"LogDir": "log"#"LogDir": "/var/log/gochan"#' \

docker/bootstrap.sh

@@ -80,6 +80,7 @@ sed -i /etc/gochan/gochan.json \
 	-e 's#"DocumentRoot": "html"#"DocumentRoot": "/srv/gochan"#' \
 	-e 's#"TemplateDir": "templates"#"TemplateDir": "/usr/share/gochan/templates"#' \
 	-e 's#"LogDir": "log"#"LogDir": "/var/log/gochan"#' \
+	-e 's/"Username": ".*",/ /' \
 	-e 's/"DBpassword": ""/"DBpassword": "gochan"/' \
 	-e 's/"RandomSeed": ""/"RandomSeed": "abc123"/' \
 	-e 's/"Verbosity": 0/"Verbosity": 1/'