use relative URLs for Docker local server

Dockerfile

@@ -5,4 +5,4 @@ FROM ghcr.io/jakejarvis/hugo-extended:0.79.1
 # expose live-refresh server (on custom port)
 EXPOSE 1337
 
-CMD ["server", "--disableFastRender", "--buildDrafts", "--buildFuture", "--port", "1337", "--bind", "0.0.0.0", "--verbose"]
+CMD ["server", "--disableFastRender", "--buildDrafts", "--buildFuture", "--port", "1337", "--baseURL", "/", "--appendPort", "false", "--bind", "0.0.0.0", "--verbose"]

package.json

@@ -43,15 +43,15 @@
     "@algolia/netlify-plugin-crawler": "^1.0.4",
     "autoprefixer": "^10.2.4",
     "cross-env": "^7.0.3",
-    "eslint": "~7.20.0",
-    "eslint-config-prettier": "~8.0.0",
+    "eslint": "~7.21.0",
+    "eslint-config-prettier": "~8.1.0",
     "eslint-plugin-compat": "~3.9.0",
     "eslint-plugin-prettier": "~3.3.1",
     "html-minifier": "^4.0.0",
     "hugo-extended": "0.79.1",
     "husky": "^4.3.8",
     "lint-staged": "^10.5.4",
-    "markdownlint-cli": "~0.26.0",
+    "markdownlint-cli": "~0.27.1",
     "netlify-lambda": "^2.0.3",
     "netlify-plugin-cache": "*",
     "netlify-plugin-debug-cache": "*",
@@ -70,7 +70,7 @@
     "stylelint-config-prettier": "~8.0.2",
     "stylelint-config-sass-guidelines": "~8.0.0",
     "stylelint-no-unsupported-browser-features": "~4.1.4",
-    "stylelint-prettier": "~1.1.2",
+    "stylelint-prettier": "~1.2.0",
     "stylelint-scss": "~3.19.0",
     "terser": "^5.6.0"
   },
@@ -79,7 +79,7 @@
     "imagemin-gifsicle": "^7.0.0",
     "imagemin-jpegoptim": "^7.0.0",
     "imagemin-pngquant": "^9.0.1",
-    "imagemin-svgo": "^8.0.0"
+    "imagemin-svgo": "^9.0.0"
   },
   "resolutions": {
     "postcss-clean/postcss": "^8.x"