Deploy basic auth plugin

As part of #1209, this change deploys, but does not enable the
new basic-auth plugin service.

Signed-off-by: Alex Ellis <alexellis2@gmail.com>

deploy_stack.sh

@@ -6,6 +6,7 @@ if ! [ -x "$(command -v docker)" ]; then
 fi
 
 export BASIC_AUTH="true"
+export AUTH_URL="http://basic-auth-plugin:8080/validate"
 
 sha_cmd="shasum -a 256"
 if ! command -v shasum >/dev/null; then
@@ -17,6 +18,7 @@ do
 	case "$1" in
 		--no-auth | -n)
 			export BASIC_AUTH="false"
+      export AUTH_URL=""
 			;;
     --help | -h)
 			echo "Usage: \n [default]\tdeploy the OpenFaaS core services\n --no-auth [-n]\tdisable basic authentication.\n --help\tdisplays this screen"

docker-compose.yml

@@ -3,7 +3,7 @@ services:
     gateway:
         ports:
             - 8080:8080
-        image: openfaas/gateway:0.12.0
+        image: openfaas/gateway:0.13.6
         networks:
             - functions
         environment:
@@ -21,6 +21,8 @@ services:
             scale_from_zero: "true" # Enable if you want functions to scale from 0/0 to min replica count upon invoke
             max_idle_conns: 1024
             max_idle_conns_per_host: 1024
+            auth_proxy_url: "${AUTH_URL:-}"
+            auth_proxy_pass_body: "false"
         deploy:
             resources:
                 # limits:   # Enable if you want to limit memory usage
@@ -39,6 +41,32 @@ services:
             - basic-auth-user
             - basic-auth-password
 
+    # auth service provide basic-auth plugin for system APIs
+    basic-auth-plugin:
+        image: openfaas/basic-auth-plugin:0.1.0
+        networks:
+            - functions
+        environment:
+            secret_mount_path: "/run/secrets/"
+        deploy:
+            placement:
+                constraints:
+                    - "node.role == manager"
+                    - "node.platform.os == linux"
+            resources:
+                # limits:   # Enable if you want to limit memory usage
+                #     memory: 100M
+                reservations:
+                    memory: 50M
+            restart_policy:
+                condition: on-failure
+                delay: 5s
+                max_attempts: 20
+                window: 380s
+        secrets:
+            - basic-auth-user
+            - basic-auth-password
+
     # Docker Swarm provider
     faas-swarm:
         volumes: