diff --git a/api/main.go b/api/main.go
index d42fe81..95a2806 100644
--- a/api/main.go
+++ b/api/main.go
@@ -70,6 +70,7 @@ func Execute(res http.ResponseWriter, req *http.Request) {
         "c",
         "cpp", "c++",
         "csharp", "cs", "c#",
+        "elixir", "exs",
         "go",
         "java",
         "julia", "jl",
@@ -139,6 +140,8 @@ func launch(request Inbound, res http.ResponseWriter) {
         execlang = "cpp"
     case "cs", "c#":
         execlang = "csharp"
+    case "elixir", "exs":
+        execlang = "elixir"
     case "asm":
         execlang = "nasm"
     case "js", "javascript":
diff --git a/lxc/execute b/lxc/execute
index 8d51760..0997041 100755
--- a/lxc/execute
+++ b/lxc/execute
@@ -57,6 +57,9 @@ case "$lang" in
 "csharp" | "cs" | "c#")
     bin=csharp
     ;;
+"elixir" | "exs")
+    bin=elixir
+    ;;
 "go")
     bin=go
     ;;
diff --git a/lxc/executors/elixir b/lxc/executors/elixir
new file mode 100644
index 0000000..bee79a4
--- /dev/null
+++ b/lxc/executors/elixir
@@ -0,0 +1,2 @@
+cd /tmp/$2
+runuser runner$1 -c "cd /tmp/$2 ; cat args.args ; xargs -d '\n' timeout -s KILL 3 elixir code.code"
diff --git a/lxc/versions b/lxc/versions
index 024097e..4c79b79 100755
--- a/lxc/versions
+++ b/lxc/versions
@@ -27,6 +27,9 @@ echo '---'
 echo 'kotlin'
 lxc-attach --clear-env -n piston -- /bin/bash -l -c "kotlinc -version"
 echo '---'
+echo "elixir"
+lxc-attach --clear-env -n piston -- /bin/bash -l -c "elixir --version"
+echo "---"
 echo 'nasm'
 lxc-attach --clear-env -n piston -- /bin/bash -l -c "nasm -version"
 echo '---'
diff --git a/readme.md b/readme.md
index b5b1219..887a48e 100644
--- a/readme.md
+++ b/readme.md
@@ -19,6 +19,9 @@ systemctl start libvirtd
 # ubuntu server 18.04:
 apt install lxc lxc-templates debootstrap libvirt0
 
+# arch:
+sudo pacman -S lxc libvirt unzip
+
 # everything else:
 # not documented, please open pull requests with commands for debian/arch/macos
 
@@ -145,8 +148,8 @@ tar -xzf julia-1.4.1-linux-x86_64.tar.gz
 echo 'export PATH=$PATH:/opt/julia/julia-1.4.1/bin' >> /opt/.profile
 source /opt/.profile
 
-#install kotlin
-#final binary: /opt/kotlinc/bin/kotlinc
+# install kotlin
+# final binary: /opt/kotlinc/bin/kotlinc
 cd /opt
 wget https://github.com/JetBrains/kotlin/releases/download/v1.3.72/kotlin-compiler-1.3.72.zip
 unzip kotlin-compiler-1.3.72.zip
@@ -154,6 +157,23 @@ rm kotlin-compiler-1.3.72.zip
 echo 'export PATH=$PATH:/opt/kotlinc/bin' >> /opt/.profile
 source /opt/.profile
 
+# install elixir and erlang
+# final binary: /opt/elixir/bin/elixir --version
+# erlang
+cd /opt && mkdir erlang && cd erlang
+wget http://erlang.org/download/otp_src_23.0.tar.gz
+gunzip -c otp_src_23.0.tar.gz | tar xf -
+cd otp_src_23.0 && ./configure
+make
+echo 'export PATH=$PATH:/opt/erlang/otp_src_23.0/bin' >> /opt/.profile
+source /opt/.profile
+# elixir
+cd /opt && mkdir elixir && cd elixir
+wget https://github.com/elixir-lang/elixir/releases/download/v1.10.3/Precompiled.zip
+mkdir elixir-1.10.3 && unzip Precompiled.zip -d elixir-1.10.3/
+echo 'export PATH=$PATH:/opt/elixir/elixir-1.10.3/bin' >> /opt/.profile
+source /opt/.profile
+
 # create runnable users and apply limits
 for i in {1..150}; do
     useradd -M runner$i
diff --git a/tests/test.exs b/tests/test.exs
new file mode 100644
index 0000000..4c8d8b0
--- /dev/null
+++ b/tests/test.exs
@@ -0,0 +1 @@
+IO.puts("good")
diff --git a/tests/test_all_lxc b/tests/test_all_lxc
index ea9e5b3..51f8e72 100755
--- a/tests/test_all_lxc
+++ b/tests/test_all_lxc
@@ -8,6 +8,8 @@ echo 'testing cpp'
 ../lxc/execute cpp test.cpp
 echo 'testing cs'
 ../lxc/execute cs test.cs
+echo 'testing elixir'
+../lxc/exexute exs test.exs
 echo 'testing go'
 ../lxc/execute go test.go
 echo 'testing java'