Pull vendor images as part of aws deployment

Also, don't run clean script as sudo.

cloud/aws.sh

@@ -34,6 +34,15 @@ echo "=============== Installing tutor"
 sudo curl -L "https://github.com/regisb/tutor/releases/download/latest/tutor-$(uname -s)_$(uname -m)" -o /usr/local/bin/tutor
 sudo chmod +x /usr/local/bin/tutor
 
+echo "=============== Pulling vendor docker images"
+docker pull memcached:1.4.38
+docker pull mongo:3.2.16
+docker pull mysql:5.6.36
+docker pull elasticsearch:1.5.2
+docker pull nginx:1.13
+docker pull rabbitmq:3.6.10
+docker pull namshi/smtp:latest
+
 echo "=============== Building docker images"
 tutor images env
 tutor images build all

cloud/clean.sh

@@ -1,9 +1,9 @@
 #! /bin/bash
 # Clean an AWS instance so that it becomes ready for creating an AMI
 # See https://aws.amazon.com/articles/how-to-share-and-use-public-amis-in-a-secure-manner/
-# Run with: curl -sSL https://raw.githubusercontent.com/regisb/tutor/master/cloud/clean.sh | sudo bash -e
+# Run with: curl -sSL https://raw.githubusercontent.com/regisb/tutor/master/cloud/clean.sh | bash -e
 echo "=============== Clean authorized keys"
-find / -name "authorized_keys" -exec rm -f {} \;
+sudo find / -name "authorized_keys" -exec rm -f {} \;
 
 echo "=============== Clean history"
-find /root/.*history /home/*/.*history -exec rm -f {} \;
+sudo find /root/.*history /home/*/.*history -exec rm -f {} \;

tutor/templates/local/docker-compose.yml

@@ -68,7 +68,7 @@ services:
 
   # Simple SMTP server
   smtp:
-    image: namshi/smtp
+    image: namshi/smtp:latest
     restart: unless-stopped
 
   ############# Forum