add proxy cache setup for thumbnail images (#24)

attempt to do less upstream proxying, instead add a response caching system and serve from here for actively requested files
zooniverse · Jul 22, 2022 · 39c3f2d · 39c3f2d
1 parent 8bacebe
commit 39c3f2d
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diff --git a/Dockerfile b/Dockerfile
@@ -1,3 +1,5 @@
 FROM nginx:alpine
 
+RUN mkdir -p /nginx-cache/
+
 COPY nginx.conf /etc/nginx/nginx.conf
diff --git a/nginx.conf b/nginx.conf
@@ -27,11 +27,18 @@ http {
     # error_log /dev/stderr debug;
 
     sendfile        on;
-    #tcp_nopush     on;
+    tcp_nopush     on;
 
     keepalive_timeout  65;
 
+    proxy_cache_path  /nginx-cache/  levels=1:2 keys_zone=STATIC:10m  max_size=500m;
+
     server {
+        # use the nginx proxy cache defined above in HTTP block
+        proxy_cache            STATIC;
+        proxy_cache_valid      200  1d;
+        proxy_cache_use_stale  error timeout invalid_header updating http_500 http_502 http_503 http_504;
+
         if ($uri ~ "^/([1-9][0-9]{0,2})x([1-9][0-9]{0,2})/") {
             set $width $1;
             set $height $2;