Carry #1329 : Fixes so that nginx will start

Signed-off-by: Richard Scothern <richard.scothern@gmail.com>

Signed-off-by: Sean Boran <Boran@users.noreply.github.com>

docs/nginx.md

@@ -71,21 +71,27 @@ Create the main nginx configuration you will use.
 ```
 
 cat <<EOF > auth/nginx.conf
-upstream docker-registry {
-  server registry:5000;
+events {
+    worker_connections  1024;
 }
 
-## Set a variable to help us decide if we need to add the
-## 'Docker-Distribution-Api-Version' header.
-## The registry always sets this header.
-## In the case of nginx performing auth, the header will be unset
-## since nginx is auth-ing before proxying.
-map \$upstream_http_docker_distribution_api_version \$docker_distribution_api_version {
+http {
+  
+  upstream docker-registry {
+    server registry:5000;
+  }
+
+  ## Set a variable to help us decide if we need to add the
+  ## 'Docker-Distribution-Api-Version' header.
+  ## The registry always sets this header.
+  ## In the case of nginx performing auth, the header will be unset
+  ## since nginx is auth-ing before proxying.
+  map \$upstream_http_docker_distribution_api_version \$docker_distribution_api_version {
     'registry/2.0' '';
     default registry/2.0;
-}
+  }
 
-server {
+  server {
     listen 443 ssl;
     server_name myregistrydomain.com;
 
@@ -127,14 +133,15 @@ server {
       proxy_set_header  X-Forwarded-Proto \$scheme;
       proxy_read_timeout                  900;
     }
+  }
 }
 EOF
 ```
 
-Now, create a password file for "testuser" and "testpassword"
+Now create a password file for "testuser" and "testpassword"
 
 ```
-docker run --entrypoint htpasswd httpd:2.4 -bn testuser testpassword > auth/nginx.htpasswd
+docker run --rm --entrypoint htpasswd registry:2 -bn testuser testpassword > auth/nginx.htpasswd
 ```
 
 Copy over your certificate files
@@ -155,14 +162,15 @@ nginx:
   links:
     - registry:registry
   volumes:
-    - `pwd`/auth/:/etc/nginx/conf.d
+    - ./auth:/etc/nginx/conf.d
+    - ./auth/nginx.conf:/etc/nginx/nginx.conf:ro
 
 registry:
   image: registry:2
   ports:
     - 127.0.0.1:5000:5000
   volumes:
-    - `pwd`/data:/var/lib/registry
+    - `pwd`./data:/var/lib/registry
 EOF
 ```
 
@@ -172,9 +180,9 @@ Now, start your stack:
 
     docker-compose up -d
 
-Login with a "push" authorized user (using `testuserpush` and `testpasswordpush`), then tag and push your first image:
+Login with a "push" authorized user (using `testuser` and `testpassword`), then tag and push your first image:
 
-    docker login myregistrydomain.com:5043
+    docker login -p=testuser -u=testpassword -e=root@example.ch myregistrydomain.com:5043
     docker tag ubuntu myregistrydomain.com:5043/test
     docker push myregistrydomain.com:5043/test
     docker pull myregistrydomain.com:5043/test