diff --git a/templates/zshrc b/templates/zshrc
index 6ff99c2..e76ad0b 100644
--- a/templates/zshrc
+++ b/templates/zshrc
@@ -165,6 +165,7 @@ function docker-env() {
     port=
     workdir=/work_dir
     volumes=("$(pwd):/work_dir")
+    envvars=()
 
     while
     do
@@ -177,6 +178,10 @@ function docker-env() {
                 port="$2"
                 shift
                 ;;
+            -e)
+                envvars+=("$2")
+                shift
+                ;;
             -v)
                 volumes+=("$2")
                 shift
@@ -204,6 +209,7 @@ Usage: docker-env [OPTIONS] [--] IMAGE [COMMAND] [ARG...]
 
 Options:
     -p <port>    Publish a container's port(s) to the host
+    -e VAR=value Add environment variable VAR with value
     -v <volume>  Bind mount a volume
 EOS
         return 1
@@ -227,6 +233,10 @@ EOS
     do
         run_command+=" -v $volume"
     done
+    for envvar in $envvars
+    do
+        run_command+=" -e \"$envvar\""
+    done
 
     run_command+=" -w \"$workdir\" $image $cmd"