I want to create your own image, use this command, don't know where is wrong, please teach
Docker build -t myimage.png: 0.1.

Error message is
Sending the build context to Docker daemon 2.048 kB
1/11 Step: the From ubuntu: 16:04
Invalid reference format
The

reference

I'm dockerfile content
The From ubuntu: 16:04
Maintainer DDD
The run apt - get the update
Run apt - get the install - y nginx
Run the echo \ ndaemon off; ""> The/etc/nginx/nginx. Conf
The run chown -r WWW - data: WWW data/var/lib/nginx
Volume ["/data ", "/etc/nginx/site - enabled", "/var/log/nginx"]
Workdir/etc/nginx
CMD/nginx "
Expose 80
Expose 443

 
The From ubuntu: 16.04 
Maintainer DDD 
The run apt - get the update 
Run apt - get the install - y nginx 
Run the echo \ ndaemon off; ""> The/etc/nginx/nginx. Conf 
The run chown -r WWW - data: WWW data/var/lib/nginx 
Volume ["/data ", "/etc/nginx/site - enabled", "/var/log/nginx"] 
Workdir/etc/nginx 
CMD/nginx "
Expose 80 
Expose 443