Move to dockerized dokku deployment

.gitlab-ci.yml

@@ -1,23 +1,15 @@
-image: registry.gitlab.com/pages/hugo/hugo_extended:latest
+stages:
+  - deploy
 
-variables:
-  GIT_SUBMODULE_STRATEGY: recursive
-
-pages:
-  before_script:
-    - apk add --no-cache imagemagick
-  script:
-    - hugo
-    - ls -lah
-    - find ./public -name '*.jpg' -exec mogrify -auto-orient -monitor -sampling-factor 4:2:0 -strip -interlace JPEG -colorspace sRGB -resize 2048 -compress JPEG -quality 80 {} \;
-  artifacts:
-    paths:
-    - public
+deploy:
+  rules:
+    - if: $CI_COMMIT_BRANCH == $CI_DEFAULT_BRANCH
+  image: ilyasemenov/gitlab-ci-git-push
+  stage: deploy
+  environment:
+    name: production
+    url: https://www.devroom.io
   only:
-  - master
-
-test:
+    - master
   script:
-  - hugo
-  except:
-  - master
+    - git-push ssh://dokku@9up.nl:22/devroom.io

Dockerfile

@@ -0,0 +1,30 @@
+## `source` is used to generate the static HTML with Hugo
+FROM debian:11 as source
+
+# Install dependencies
+RUN apt-get update && \
+    apt-get install -y imagemagick ca-certificates git wget
+
+# Install Hugo
+ENV HUGO_VERSION 0.111.2
+RUN wget https://github.com/gohugoio/hugo/releases/download/v${HUGO_VERSION}/hugo_extended_${HUGO_VERSION}_Linux-64bit.tar.gz && \
+    tar -xvf hugo_extended_${HUGO_VERSION}_Linux-64bit.tar.gz && \
+    mv hugo /usr/local/bin/hugo && \
+    chmod +x /usr/local/bin/hugo
+
+# Copy site source
+WORKDIR /src
+COPY . .
+
+# Initialize submodules, like themes
+RUN git submodule update --init --recursive
+
+# Generate the site into /src/public
+RUN /usr/local/bin/hugo
+
+# Mogrify all images to be more efficient for the web
+RUN find ./public -name '*.jpg' -exec mogrify -auto-orient -monitor -sampling-factor 4:2:0 -strip -interlace JPEG -colorspace sRGB -resize 2048 -compress JPEG -quality 80 {} \;
+
+## Create the final image with Nginx serving the static site
+FROM nginx:1-alpine
+COPY --from=source /src/public /usr/share/nginx/html