Adding minified JS versions

Dockerfile

@@ -1,7 +1,21 @@
 FROM nginx:alpine-slim
 
+# Copy custom nginx configuration
+COPY nginx.conf /etc/nginx/nginx.conf
+
+# Copy website files
 COPY . /usr/share/nginx/html
 
+# Copy minify script and make it executable
+COPY ./utils/minify.sh /tmp/minify.sh
+RUN chmod +x /tmp/minify.sh
+
+# Minify all JavaScript files in-place
+RUN find /usr/share/nginx/html -name "*.js" -type f -exec /tmp/minify.sh {} \; && \
+    rm -r /tmp && \
+    rm -r /usr/share/nginx/html/.git && \
+    rm -r /usr/share/nginx/html/utils
+
 EXPOSE 80
 
 CMD ["nginx", "-g", "daemon off;"]

nginx.conf

@@ -0,0 +1,110 @@
+user nginx;
+worker_processes auto;
+error_log /var/log/nginx/error.log warn;
+pid /var/run/nginx.pid;
+
+events {
+    worker_connections 1024;
+    use epoll;
+}
+
+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;
+
+    # Performance optimizations
+    sendfile on;
+    tcp_nopush on;
+    tcp_nodelay on;
+    keepalive_timeout 65;
+    types_hash_max_size 2048;
+    client_max_body_size 20M;
+
+    # Gzip compression
+    gzip on;
+    gzip_vary on;
+    gzip_proxied any;
+    gzip_comp_level 6;
+    gzip_types
+        text/plain
+        text/css
+        text/xml
+        text/javascript
+        application/json
+        application/javascript
+        application/x-javascript
+        application/xml+rss
+        image/svg+xml;
+    gzip_min_length 256;
+    gzip_disable "msie6";
+
+    # Security headers
+    add_header X-Frame-Options "SAMEORIGIN" always;
+    add_header X-Content-Type-Options "nosniff" always;
+    add_header X-XSS-Protection "1; mode=block" always;
+    add_header Referrer-Policy "strict-origin-when-cross-origin" always;
+
+    server {
+        listen 80;
+        server_name localhost;
+        root /usr/share/nginx/html;
+        index index.html;
+
+        # Charset
+        charset utf-8;
+
+        # Custom error pages
+        error_page 404 /index.html;
+        error_page 500 502 503 504 /50x.html;
+
+        # Main location
+        location / {
+            try_files $uri $uri/ /index.html;
+        }
+
+        # Cache static assets
+        location ~* \.(jpg|jpeg|png|gif|ico|svg|webp)$ {
+            expires 1y;
+            add_header Cache-Control "public, immutable";
+            access_log off;
+        }
+
+        location ~* \.(css|js)$ {
+            expires 1y;
+            add_header Cache-Control "public, immutable";
+            access_log off;
+        }
+
+        location ~* \.(woff|woff2|ttf|otf|eot)$ {
+            expires 1y;
+            add_header Cache-Control "public, immutable";
+            access_log off;
+        }
+
+        # HTML files - shorter cache
+        location ~* \.html$ {
+            expires 1h;
+            add_header Cache-Control "public, must-revalidate";
+        }
+
+        # Deny access to hidden files
+        location ~ /\. {
+            deny all;
+            access_log off;
+            log_not_found off;
+        }
+
+        # Deny access to backup files
+        location ~ ~$ {
+            deny all;
+            access_log off;
+            log_not_found off;
+        }
+    }
+}

utils/minify.sh

@@ -0,0 +1,39 @@
+#!/bin/bash
+
+# Minify a JavaScript file in-place
+# Usage: ./minify.sh <file.js>
+
+if [ "$#" -ne 1 ]; then
+    echo "Usage: $0 <file.js>"
+    exit 1
+fi
+
+FILE="$1"
+
+if [ ! -f "$FILE" ]; then
+    echo "Error: File '$FILE' not found"
+    exit 1
+fi
+
+# Check if the file is a JavaScript file
+if [[ ! "$FILE" =~ \.js$ ]]; then
+    echo "Error: File must have .js extension"
+    exit 1
+fi
+
+# Minify the file using a simple approach with sed and tr
+# This removes comments, extra whitespace, and newlines
+TMP_FILE="${FILE}.tmp"
+
+# Remove single-line comments, multi-line comments, and compress whitespace
+sed 's|//.*$||g' "$FILE" | \
+    tr '\n' ' ' | \
+    sed 's|/\*.*\*/||g' | \
+    sed 's/[[:space:]]\+/ /g' | \
+    sed 's/[[:space:]]*\([{};,=()[\]<>+\-*/%!&|?:]\)[[:space:]]*/\1/g' | \
+    sed 's/^[[:space:]]*//;s/[[:space:]]*$//' > "$TMP_FILE"
+
+# Replace original file with minified version
+mv "$TMP_FILE" "$FILE"
+
+echo "Minified: $FILE"