describe Caddyfile & update Dockerfile runtime image

Caddyfile

@@ -0,0 +1,31 @@
+{
+	# Disable automatic HTTPS
+	auto_https off
+}
+
+:8080 {
+    root * {$DIST_PATH:/usr/share/caddy}
+
+    file_server
+
+    encode gzip zstd
+
+    try_files {path} {path}/ /index.html
+
+    # Cache favicons aggressively
+    @favicons path /favicons/*
+    header @favicons Cache-Control "public, max-age=31536000, immutable"
+
+    # Cache static assets based on MIME type
+    @static {
+        header Content-Type application/javascript*
+        header Content-Type text/css*
+        header Content-Type image/*
+        header Content-Type font/*
+        header Content-Type application/font-*
+        header Content-Type application/woff*
+        header Content-Type application/json*
+    }
+
+    header @static Cache-Control "public, max-age=2592000, immutable"
+}

Dockerfile

@@ -23,21 +23,16 @@ ENV VITE_ELASTIC_API_KEY=$ELASTIC_API_KEY
 
 RUN yarn build
 
-FROM nginx:1.29.5
+FROM caddy:2.11-alpine
+
+COPY Caddyfile /etc/caddy/Caddyfile
+
+# Copy static files
+COPY public /usr/share/caddy
 
 # Copy the static build from the previous stage
-COPY index.html /usr/share/nginx/html
-COPY public/ /usr/share/nginx/html
-COPY --from=build /app/dist /usr/share/nginx/html
+COPY --from=build /app/dist /usr/share/caddy
 
-# Copy nginx config file
-COPY nginx.conf /etc/nginx/conf.d/default.conf.template
-
-# Manual entrypoint after nginx substring
-COPY docker-entrypoint.sh /docker-entrypoint.d/05-docker-entrypoint.sh
-
-RUN chmod +x /docker-entrypoint.d/05-docker-entrypoint.sh
-
-EXPOSE 5000
+EXPOSE 8080
 
 LABEL org.opencontainers.image.source https://github.com/kevinmidboe/seasoned