DBC22-1656: Adding caching for APIs

compose/frontend/default.conf

@@ -4,6 +4,7 @@ server {
     server_name  localhost;
 
     access_log /dev/null;
+    proxy_cache_path /var/cache/nginx keys_zone=cache:50m;
 
     location / {
         root   /usr/share/nginx/html;
@@ -13,6 +14,22 @@ server {
         auth_basic_user_file /etc/apache2/.htpasswd;
     }
 
+    proxy_cache cache;
+    # Caching data from the API
+    location /api/ {
+        proxy_ssl_server_name on;
+        proxy_pass ${ENVIRONMENT}-django;
+        proxy_connect_timeout 5s;
+        proxy_cache_background_update on;
+        proxy_cache_lock on;
+        proxy_cache_lock_age 10s;
+        proxy_cache_lock_timeout 10s;
+        proxy_cache_revalidate on;
+        proxy_cache_use_stale error timeout updating http_500 http_502 http_503 http_504;
+        proxy_cache_valid 200 1m;
+        add_header X-Proxy-Cache $upstream_cache_status;
+    }
+
     # redirect server error pages to the static page /50x.html
     #
     error_page   500 502 503 504  /50x.html;

compose/frontend/entrypoint

@@ -10,6 +10,9 @@ echo -e "window.ROUTE_PLANNER='${REACT_APP_ROUTE_PLANNER}';" >> $MAIN
 echo -e "window.ROUTE_PLANNER_KEY='${REACT_APP_ROUTE_PLANNER_KEY}';" >> $MAIN
 echo -e "window.REPLAY_THE_DAY='${REACT_APP_REPLAY_THE_DAY}';" >> $MAIN
 
+# Set the environment to be used for caching django content
+sed -i "s~\$ENVIRONMENT~$ENVIRONMENT~g" /etc/nginx/conf.d/default.conf
+
 #FOLLOWING SECTION IS TEMPORARY FOR THE PRIVATE BETA
 # Check if $ENVIRONMENT is not set to "prod". If it is prod we want to keep these lines
 if [ "$ENVIRONMENT" != "prod" ]; then