Start running Rails from the main branch (#16)

Reviewed-on: #16

bin/docker-entrypoint

@@ -1,7 +1,12 @@
 #!/bin/bash -e
 
+# Enable jemalloc for reduced memory usage and latency.
+if [ -z "${LD_PRELOAD+x}" ] && [ -f /usr/lib/*/libjemalloc.so.2 ]; then
+  export LD_PRELOAD="$(echo /usr/lib/*/libjemalloc.so.2)"
+fi
+
 # If running the rails server then create or migrate existing database
-if [ "${*}" == "./bin/rails server" ]; then
+if [ "${1}" == "./bin/rails" ] && [ "${2}" == "server" ]; then
   ./bin/rails db:prepare
 fi