{erl_opts, [debug_info]}. {deps, [ {esockd, {git, "https://github.com/emqx/esockd", {tag, "5.17.0"}}}, {sync, ".*", {git, "https://github.com/rustyio/sync.git", {branch, "master"}}} ]}. {relx, [ {release, {relay_server, "0.1.0"}, [ relay_server, sasl ]}, {mode, dev}, %% automatically picked up if the files %% exist but can be set manually, which %% is required if the names aren't exactly %% sys.config and vm.args {sys_config, "./config/sys.config"}, {vm_args, "./config/vm.args"} %% the .src form of the configuration files do %% not require setting RELX_REPLACE_OS_VARS %% {sys_config_src, "./config/sys.config.src"}, %% {vm_args_src, "./config/vm.args.src"} ]}. {profiles, [ %% prod is the default mode when prod %% profile is used, so does not have %% to be explicitly included like this {prod, [ {relx, [ {mode, prod} %% use minimal mode to exclude ERTS %% {mode, minimal} ]} ]} ]}.