mempool: init at 2.5.0

pkgs/mempool/nginx-conf/mempool/location-static.conf

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+# see order of nginx location rules
+# https://stackoverflow.com/questions/5238377/nginx-location-priority
+
+# for exact / requests, redirect based on $lang
+# cache redirect for 5 minutes
+location = / {
+	if ($lang != '') {
+		return 302 $scheme://$host/$lang/;
+	}
+	try_files /en-US/index.html =404;
+	expires 5m;
+}
+
+# cache /<lang>/main.f40e91d908a068a2.js forever since they never change
+location ~ ^/([a-z][a-z])/(.+\..+\.(js|css)) {
+	try_files $uri =404;
+	expires 1y;
+}
+# cache everything else for 5 minutes
+location ~ ^/([a-z][a-z])$ {
+	try_files $uri /$1/index.html /en-US/index.html =404;
+	expires 5m;
+}
+location ~ ^/([a-z][a-z])/ {
+	try_files $uri /$1/index.html /en-US/index.html =404;
+	expires 5m;
+}
+
+# cache /resources/** for 1 week since they don't change often
+location /resources {
+	try_files $uri /en-US/index.html;
+	expires 1w;
+}
+# cache /main.f40e91d908a068a2.js forever since they never change
+location ~* ^/.+\..+\.(js|css) {
+	try_files /$lang/$uri /en-US/$uri =404;
+	expires 1y;
+}
+# catch-all for all URLs i.e. /address/foo /tx/foo /block/000
+# cache 5 minutes since they change frequently
+location / {
+	try_files /$lang/$uri $uri /en-US/$uri /en-US/index.html =404;
+	expires 5m;
+}

pkgs/mempool/nginx-conf/mempool/mempool.conf

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+access_log /var/log/nginx/access_mempool.log;
+error_log /var/log/nginx/error_mempool.log;
+
+root /var/www/mempool/browser;
+
+index index.html;
+
+# enable browser and proxy caching
+add_header Cache-Control "public, no-transform";
+
+# vary cache if user changes language preference
+add_header Vary Accept-Language;
+add_header Vary Cookie;
+
+include mempool/location-static.conf;
+
+# static API docs
+location = /api {
+	try_files $uri $uri/ /en-US/index.html =404;
+}
+location = /api/ {
+	try_files $uri $uri/ /en-US/index.html =404;
+}
+
+location /api/v1/ws {
+	proxy_pass http://127.0.0.1:8999/;
+	proxy_http_version 1.1;
+	proxy_set_header Upgrade $http_upgrade;
+	proxy_set_header Connection "Upgrade";
+}
+location /api/v1 {
+	proxy_pass http://127.0.0.1:8999/api/v1;
+}
+location /api/ {
+	proxy_pass http://127.0.0.1:8999/api/v1/;
+}
+
+# mainnet API
+location /ws {
+	proxy_pass http://127.0.0.1:8999/;
+	proxy_http_version 1.1;
+	proxy_set_header Upgrade $http_upgrade;
+	proxy_set_header Connection "Upgrade";
+}