basic webserver

Dockerfile

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+FROM nginx:alpine
+
+WORKDIR /usr/share/nginx/html
+
+RUN rm -f index.html && \
+   # xxx not great for files that dont end like: .js.gz .wasm.gz
+   sed -i 's/js;/js gz;/' /etc/nginx/mime.types
+
+COPY default.conf /etc/nginx/conf.d/
+
+COPY . .

default.conf

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+server {
+    listen       80;
+    server_name  localhost;
+
+    # enable gzip compression of simple text files when transmitting to clients
+    # that can handle gzip/deflate responses.
+    # do not gzip json files because range requests to .json files made by browser js
+    # applications like archive.org/details/webshots-freeze-frame-index get whole object,
+    # not the range
+    gzip on;
+    gzip_types "text/html; charset=utf-8" text/html text/plain text/javascript application/x-javascript application/javascript text/css text/csv text/xml application/xml;
+
+    # add charset info to Content-Type header for text files
+    # by default, will apply to files with the following mime types:
+    # text/(plain|html|xml|vnd.wap.wml), application/(javascript|rss+xml)
+    # if we wish to apply it to additional mime types (say, application/json), we can add a charset_types directive
+    # see https://nginx.org/en/docs/http/ngx_http_charset_module.html for more details
+    charset utf-8;
+
+    location / {
+        root   /usr/share/nginx/html;
+        index  index.html index.htm;
+
+        # customizations:
+        autoindex on;
+        add_header  Access-Control-Allow-Origin  *;
+        add_header  Access-Control-Allow-Methods  GET,POST,OPTIONS;
+        add_header  Access-Control-Allow-Headers  Accept-Encoding,Accept-Language,Authorization,Cache-Control,Content-Length,Content-Range,DNT,Pragma,Range,X-Requested-With;
+        add_header  Vary  Origin;
+    }
+
+    # customization - like above but with `Content-Encoding` header
+    location ~\.(js|wasm)\.gz$ {
+        root   /usr/share/nginx/html;
+        add_header  Access-Control-Allow-Origin  *;
+        add_header  Access-Control-Allow-Methods  GET,POST,OPTIONS;
+        add_header  Access-Control-Allow-Headers  Accept-Encoding,Accept-Language,Authorization,Cache-Control,Content-Length,Content-Range,DNT,Pragma,Range,X-Requested-With;
+        add_header  Vary  Origin;
+
+        add_header  Content-Encoding gzip;
+    }
+
+    error_page   500 502 503 504  /50x.html;
+    location = /50x.html {
+        root   /usr/share/nginx/html;
+    }
+}