title: How do I use heredoc in a Makefile?
body: <p>How do I use heredoc in a Makefile?
  This Makefile is not functional:</p>
  
  <pre><code>EXECUTABLE=server
  
  build: 
       docker build -t $(EXECUTABLE) - &lt;&lt; EOF \
           FROM scratch \
           ADD bin/$(EXECUTABLE) /bin/$(EXECUTABLE) \
           CMD ["/bin/$(EXECUTABLE)"] \
       EOF
  </code></pre>