Set base-href, and use HashLocationStrategy

Dockerfile

@@ -6,4 +6,5 @@ RUN npm install -g @angular/cli@11.1.1
 VOLUME ["/data"]
 VOLUME ["/dist"]
 RUN chmod +x build-view.sh
-ENTRYPOINT ["/bin/sh"]
+ENV BASE_HREF="."
+ENTRYPOINT [""]

build-view.sh

 #!/bin/sh
-ng build --base-href . --delete-output-path=false $@
+ng build --base-href ${BASE_HREF:-.} --delete-output-path=false $@

src/app/app.module.ts

@@ -29,7 +29,7 @@ import { AstDeclComponent } from './ast-decl/ast-decl.component';
         path: 'source/:filename/:line',
         component: SourceViewComponent
       }
-    ]),
+    ], { useHash: true }),
   ],
   declarations: [
     AppComponent,