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https://github.com/correl/rebar.git
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50 lines
1.3 KiB
Markdown
50 lines
1.3 KiB
Markdown
#### Building version 0.1
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rebar compile
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cd rel
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rebar generate
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mv dummy dummy_0.1
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cd ..
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rebar clean
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# start the release:
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cd rel/dummy_0.1
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bin/dummy console
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erl> dummy_server:get_state().
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erl> dummy_server:set_state(123).
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erl> dummy_server:get_state().
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#### Building version 0.2
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# Now, in another terminal we prepare an upgrade..
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# change release version numbers from 0.1 to 0.2 in
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$EDITOR apps/dummy/src/dummy.app.src
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$EDITOR rel/reltool.config
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rebar compile
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cd rel
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rebar generate
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# previous_release path is relative to your rel directory
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rebar generate-appups previous_release=dummy_0.1
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rebar generate-upgrade previous_release=dummy_0.1
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tar -zvtf dummy_0.2.tar.gz
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mv dummy dummy_0.2
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#### Deploying with release_handler
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mv dummy_0.2.tar.gz dummy_0.1/releases/
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# Now use release_handler in the running erlang console for the deploy:
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erl> release_handler:unpack_release("dummy_0.2").
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erl> release_handler:install_release("0.2").
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erl> release_handler:make_permanent("0.2").
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erl> release_handler:which_releases().
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erl> dummy_server:get_state().
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#### Building version 0.3
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rm -r rel/dummy
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# Now repeat steps in 'Building version 0.2' and 'Deploying with release_handler'
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# while replacing '0.2' by '0.3' and '0.1' by '0.2'.
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