Dockerfile & nginx configurations

Dockerfile

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+FROM ruby:3.1-slim-bullseye as jekyll
+
+RUN apt-get update && apt-get install -y --no-install-recommends \
+    build-essential \
+    git \
+    && rm -rf /var/lib/apt/lists/*
+
+WORKDIR /opt
+
+COPY . .
+
+RUN gem update --system && gem install jekyll bundler
+# RUN gem update --system && gem install jekyll && gem cleanup 
+RUN bundle install && jekyll build
+
+ENTRYPOINT [ "jekyll" ]
+
+CMD [ "--help" ]
+
+# build from the image we just built with different metadata
+FROM nginx:alpine
+
+WORKDIR /app
+
+COPY nginx.conf /etc/nginx
+COPY --from=jekyll /opt/_site .
+

nginx.conf

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+
+user  nginx;
+worker_processes  auto;
+
+error_log  /var/log/nginx/error.log notice;
+pid        /var/run/nginx.pid;
+
+
+events {
+    worker_connections  1024;
+}
+
+http {
+    include       /etc/nginx/mime.types;
+    default_type  application/octet-stream;
+
+    log_format  main  '$remote_addr - $remote_user [$time_local] "$request" '
+                      '$status $body_bytes_sent "$http_referer" '
+                      '"$http_user_agent" "$http_x_forwarded_for"';
+
+    access_log  /var/log/nginx/access.log  main;
+
+    sendfile        on;
+    #tcp_nopush     on;
+
+    keepalive_timeout  65;
+
+    gzip  on;
+    gzip_vary on;
+    gzip_types text/html text/plain text/css text/xml text/javascript application/javascript application/xml;
+
+  server {
+      listen       4000;
+      listen  [::]:4000;
+      server_name  localhost;
+
+      #access_log  /var/log/nginx/host.access.log  main;
+
+      location / {
+          root   /app;
+          default_type "text/html";
+          index  index.html index.htm;
+
+          if ($request_uri ~ ^/(.*)\.html(\?|$)) {
+            return 302 /$1;
+          }
+
+          try_files $uri $uri.html $uri/ =404;
+      }
+
+      #error_page  404              /404.html;
+
+      # redirect server error pages to the static page /50x.html
+      #
+      error_page   500 502 503 504  /50x.html;
+      location = /50x.html {
+          root   /usr/share/nginx/html;
+      }
+  }
+}