Small fixes, easy serve using the build container image

.forgejo/workflows/build-jekyll.yml

@@ -4,7 +4,7 @@ jobs:
   build_website:
     runs-on: docker
     container:
-      image: git.hswro.org/fleg/hswro_org_build:latest
+      image: git.hswro.org/hswro/hswro_org_build:latest
     steps:
       - uses: actions/checkout@v3
       - run: bundle exec jekyll build
@@ -18,7 +18,7 @@ jobs:
     env:
       REGISTRY_OWNER: hswro
     container:
-      image: git.hswro.org/fleg/hswro_org_build:latest
+      image: git.hswro.org/hswro/hswro_org_build:latest
     steps:
       - uses: actions/checkout@v3
       - uses: actions/download-artifact@v3

Gemfile

@@ -1,5 +1,4 @@
 source "https://rubygems.org"
 
-gem "webrick", "~> 1.7"
-gem "jekyll", "~> 4.3"
-gem "jekyll-environment-variables"
+gem "webrick", "~> 1.9"
+gem "jekyll", "~> 4.4"

README.md

@@ -6,6 +6,12 @@
 
 Assuming that [you have installed Jekyll properly](https://jekyllrb.com/docs/installation/), run: `bundle exec jekyll serve`
 
+Alternative is to use docker/podman. In the repo directory:
+
+```
+docker run -p="4000:4000" --volume="$PWD:/data:Z" -it git.hswro.org/hswro/hswro_org_build:latest
+```
+
 ### Doesn't work for me or I'm too lazy to do it
 
 Forgejo Actions should generate it for you, then you should be able to download the compressed website ready for viewing locally.

_sass/libraries/hamburgers/_base.scss

@@ -57,7 +57,7 @@
 .hamburger-inner {
   display: block;
   top: 50%;
-  margin-top: math.div($hamburger-layer-height, -2);
+  margin-top: calc($hamburger-layer-height / -2);
 
   &,
   &::before,

_sass/libraries/hamburgers/types/_slider.scss

@@ -27,7 +27,7 @@
         transform: translate3d(0, $y-offset, 0) rotate(45deg);
 
         &::before {
-          transform: rotate(-45deg) translate3d(math.div($hamburger-layer-width, -7), $hamburger-layer-spacing * -1, 0);
+          transform: rotate(-45deg) translate3d(calc($hamburger-layer-width / -7), $hamburger-layer-spacing * -1, 0);
           opacity: 0;
         }
 

docker/build.Dockerfile

@@ -6,6 +6,9 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
     git nodejs git buildah \
     && rm -rf /var/lib/apt/lists/* \
  && gem install --no-document jekyll -v 4.4.1 \
- && gem install --no-document jekyll-environment-variables \
- && gem install --no-document webrick -v 1.7 \
+ && gem install --no-document webrick -v 1.9 \
  && gem install bundler
+
+EXPOSE 4000
+WORKDIR /data
+CMD bundle install && bundle exec jekyll serve --verbose --host 0.0.0.0