[Docker] Basic Configuration and Functions

What if we could bundle all our application code, support binaries, and deploy it to our servers

 

Docker focuses on:

• Build Image
• Ship Image
• Run Image

Docker leads to:

• CI/CD
• Different Versions
• Roll Forward
  • When we find defects >> developers can fix them easily

Docker Configuration (Runs same environment)

• FROM
  • The first thing to add dependency
  • alpine
    • language of lambda
• ENV
  • Setting ENV variables
• COPY
  • copy everything to this system
• WORKDIR
  • Working directory
• EXPOSE
  • Which server to use
• CMD
  • Makes the command