switching to unix socket for communication between nginx & php-fpm, improves performance and fixes #1

Dockerfile

@@ -40,14 +40,13 @@ RUN \
     && export GNUPGHOME="$(mktemp -d)" \
     && gpg2 --list-public-keys || /bin/true \
     && curl -s https://privatebin.info/key/rugk.asc | gpg2 --import - \
+    && rm -rf /var/www/* \
     && cd /tmp \
     && curl -Ls https://github.com/PrivateBin/PrivateBin/releases/download/${RELEASE}/PrivateBin-${RELEASE}.tar.gz.asc > PrivateBin-${RELEASE}.tar.gz.asc \
     && curl -Ls https://github.com/PrivateBin/PrivateBin/archive/${RELEASE}.tar.gz > PrivateBin-${RELEASE}.tar.gz \
     && gpg2 --verify PrivateBin-${RELEASE}.tar.gz.asc \
-    && tar -xzf PrivateBin-${RELEASE}.tar.gz \
-    && rm -rf /var/www \
-    && mv /tmp/PrivateBin-${RELEASE} /var/www \
     && cd /var/www \
+    && tar -xzf /tmp/PrivateBin-${RELEASE}.tar.gz --strip 1 \
     && rm *.md cfg/conf.sample.php \
     && mv cfg /srv \
     && mv lib /srv \
@@ -65,7 +64,7 @@ ADD etc/ /etc/
 ADD usr/ /usr/
 
 # mark dirs as volumes that need to be writable, allows running the container --read-only
-VOLUME /srv/data /tmp /var/tmp /var/run /var/log
+VOLUME /srv/data /tmp /var/tmp /run /var/log
 
 EXPOSE 80
 

etc/nginx/sites-available/site.conf

@@ -11,7 +11,7 @@ server {
 
     location ~ \.php$ {
         include /etc/nginx/location.d/*.conf;
-        fastcgi_pass [::]:9000;
+        fastcgi_pass unix:/run/php-fpm.sock;
         fastcgi_index index.php;
         fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
         include fastcgi_params;

usr/local/etc/php-fpm.d/50-socket.conf

@@ -0,0 +1,5 @@
+[www]
+listen = /run/php-fpm.sock
+listen.owner = www-data
+listen.group = www-data
+listen.mode = 0660