diff --git a/base-notebook/start-notebook.sh b/base-notebook/start-notebook.sh
index ed6d0665..f893af16 100755
--- a/base-notebook/start-notebook.sh
+++ b/base-notebook/start-notebook.sh
@@ -6,14 +6,14 @@ set -e
 
 wrapper=""
 if [[ "${RESTARTABLE}" == "yes" ]]; then
-  wrapper="run-one-constantly"
+    wrapper="run-one-constantly"
 fi
 
 if [[ ! -z "${JUPYTERHUB_API_TOKEN}" ]]; then
-  # launched by JupyterHub, use single-user entrypoint
-  exec /usr/local/bin/start-singleuser.sh "$@"
+    # launched by JupyterHub, use single-user entrypoint
+    exec /usr/local/bin/start-singleuser.sh "$@"
 elif [[ ! -z "${JUPYTER_ENABLE_LAB}" ]]; then
-  . /usr/local/bin/start.sh $wrapper jupyter lab "$@"
+    . /usr/local/bin/start.sh $wrapper jupyter lab "$@"
 else
-  . /usr/local/bin/start.sh $wrapper jupyter notebook "$@"
+    . /usr/local/bin/start.sh $wrapper jupyter notebook "$@"
 fi
diff --git a/base-notebook/start-singleuser.sh b/base-notebook/start-singleuser.sh
index 8ddce2d8..0c8f7adb 100755
--- a/base-notebook/start-singleuser.sh
+++ b/base-notebook/start-singleuser.sh
@@ -6,7 +6,7 @@ set -e
 
 # set default ip to 0.0.0.0
 if [[ "$NOTEBOOK_ARGS $@" != *"--ip="* ]]; then
-  NOTEBOOK_ARGS="--ip=0.0.0.0 $NOTEBOOK_ARGS"
+    NOTEBOOK_ARGS="--ip=0.0.0.0 $NOTEBOOK_ARGS"
 fi
 
 # handle some deprecated environment variables
@@ -14,25 +14,25 @@ fi
 # These won't be passed from DockerSpawner 0.9,
 # so avoid specifying --arg=empty-string
 if [ ! -z "$NOTEBOOK_DIR" ]; then
-  NOTEBOOK_ARGS="--notebook-dir='$NOTEBOOK_DIR' $NOTEBOOK_ARGS"
+    NOTEBOOK_ARGS="--notebook-dir='$NOTEBOOK_DIR' $NOTEBOOK_ARGS"
 fi
 if [ ! -z "$JPY_PORT" ]; then
-  NOTEBOOK_ARGS="--port=$JPY_PORT $NOTEBOOK_ARGS"
+    NOTEBOOK_ARGS="--port=$JPY_PORT $NOTEBOOK_ARGS"
 fi
 if [ ! -z "$JPY_USER" ]; then
-  NOTEBOOK_ARGS="--user=$JPY_USER $NOTEBOOK_ARGS"
+    NOTEBOOK_ARGS="--user=$JPY_USER $NOTEBOOK_ARGS"
 fi
 if [ ! -z "$JPY_COOKIE_NAME" ]; then
-  NOTEBOOK_ARGS="--cookie-name=$JPY_COOKIE_NAME $NOTEBOOK_ARGS"
+    NOTEBOOK_ARGS="--cookie-name=$JPY_COOKIE_NAME $NOTEBOOK_ARGS"
 fi
 if [ ! -z "$JPY_BASE_URL" ]; then
-  NOTEBOOK_ARGS="--base-url=$JPY_BASE_URL $NOTEBOOK_ARGS"
+    NOTEBOOK_ARGS="--base-url=$JPY_BASE_URL $NOTEBOOK_ARGS"
 fi
 if [ ! -z "$JPY_HUB_PREFIX" ]; then
-  NOTEBOOK_ARGS="--hub-prefix=$JPY_HUB_PREFIX $NOTEBOOK_ARGS"
+    NOTEBOOK_ARGS="--hub-prefix=$JPY_HUB_PREFIX $NOTEBOOK_ARGS"
 fi
 if [ ! -z "$JPY_HUB_API_URL" ]; then
-  NOTEBOOK_ARGS="--hub-api-url=$JPY_HUB_API_URL $NOTEBOOK_ARGS"
+    NOTEBOOK_ARGS="--hub-api-url=$JPY_HUB_API_URL $NOTEBOOK_ARGS"
 fi
 NOTEBOOK_BIN="jupyterhub-singleuser"
 
diff --git a/examples/docker-compose/bin/letsencrypt.sh b/examples/docker-compose/bin/letsencrypt.sh
index 34462605..80b6f2c8 100755
--- a/examples/docker-compose/bin/letsencrypt.sh
+++ b/examples/docker-compose/bin/letsencrypt.sh
@@ -9,12 +9,12 @@ set -e
 
 # Get domain and email from environment
 [ -z "$FQDN" ] && \
-	echo "ERROR: Must set FQDN environment varable" && \
-  exit 1
+    echo "ERROR: Must set FQDN environment varable" && \
+    exit 1
 
 [ -z "$EMAIL" ] && \
-	echo "ERROR: Must set EMAIL environment varable" && \
-  exit 1
+    echo "ERROR: Must set EMAIL environment varable" && \
+    exit 1
 
 # letsencrypt certificate server type (default is production).
 # Set `CERT_SERVER=--staging` for staging.
@@ -25,24 +25,24 @@ set -e
 docker volume create --name $SECRETS_VOLUME 1>/dev/null
 # Generate the cert and save it to the Docker volume
 docker run --rm -it \
-  -p 80:80 \
-  -v $SECRETS_VOLUME:/etc/letsencrypt \
-  quay.io/letsencrypt/letsencrypt:latest \
-  certonly \
-  --non-interactive \
-  --keep-until-expiring \
-  --standalone \
-  --standalone-supported-challenges http-01 \
-  --agree-tos \
-  --domain "$FQDN" \
-  --email "$EMAIL" \
-  $CERT_SERVER
+    -p 80:80 \
+    -v $SECRETS_VOLUME:/etc/letsencrypt \
+    quay.io/letsencrypt/letsencrypt:latest \
+    certonly \
+    --non-interactive \
+    --keep-until-expiring \
+    --standalone \
+    --standalone-supported-challenges http-01 \
+    --agree-tos \
+    --domain "$FQDN" \
+    --email "$EMAIL" \
+    $CERT_SERVER
 
 # Set permissions so nobody can read the cert and key.
 # Also symlink the certs into the root of the /etc/letsencrypt
 # directory so that the FQDN doesn't have to be known later.
 docker run --rm -it \
-  -v $SECRETS_VOLUME:/etc/letsencrypt \
-  ubuntu:18.04 \
-		bash -c "ln -s /etc/letsencrypt/live/$FQDN/* /etc/letsencrypt/ && \
-			find /etc/letsencrypt -type d -exec chmod 755 {} +"
+    -v $SECRETS_VOLUME:/etc/letsencrypt \
+    ubuntu:18.04 \
+    bash -c "ln -s /etc/letsencrypt/live/$FQDN/* /etc/letsencrypt/ && \
+        find /etc/letsencrypt -type d -exec chmod 755 {} +"
diff --git a/examples/docker-compose/bin/sl-dns.sh b/examples/docker-compose/bin/sl-dns.sh
index 354bf07c..08498f62 100755
--- a/examples/docker-compose/bin/sl-dns.sh
+++ b/examples/docker-compose/bin/sl-dns.sh
@@ -15,8 +15,8 @@ MACHINE_NAME=$1 && [ -z "$MACHINE_NAME" ] && echo "$USAGE" && exit $E_BADARGS
 
 # Use SOFTLAYER_DOMAIN env var if domain name not set as second arg
 DOMAIN="${2:-$SOFTLAYER_DOMAIN}" && [ -z "$DOMAIN" ] && \
-	echo "Must specify domain or set SOFTLAYER_DOMAIN environment varable" && \
-	echo "$USAGE" && exit $E_BADARGS
+    echo "Must specify domain or set SOFTLAYER_DOMAIN environment varable" && \
+    echo "$USAGE" && exit $E_BADARGS
 
 IP=$(docker-machine ip "$MACHINE_NAME")
 
diff --git a/examples/docker-compose/notebook/up.sh b/examples/docker-compose/notebook/up.sh
index 074c3852..c08d5b21 100755
--- a/examples/docker-compose/notebook/up.sh
+++ b/examples/docker-compose/notebook/up.sh
@@ -11,8 +11,7 @@ USAGE="Usage: `basename $0` [--secure | --letsencrypt] [--password PASSWORD] [--
 # Parse args to determine security settings
 SECURE=${SECURE:=no}
 LETSENCRYPT=${LETSENCRYPT:=no}
-while [[ $# > 0 ]]
-do
+while [[ $# > 0 ]]; do
 key="$1"
 case $key in
     --secure)
@@ -37,25 +36,25 @@ shift # past argument or value
 done
 
 if [[ "$LETSENCRYPT" == yes || "$SECURE" == yes ]]; then
-  if [ -z "${PASSWORD:+x}" ]; then
-    echo "ERROR: Must set PASSWORD if running in secure mode"
-    echo "$USAGE"
-    exit 1
-  fi
-  if [ "$LETSENCRYPT" == yes ]; then
-    CONFIG=letsencrypt-notebook.yml
-    if [ -z "${SECRETS_VOLUME:+x}" ]; then
-      echo "ERROR: Must set SECRETS_VOLUME if running in letsencrypt mode"
-      echo "$USAGE"
-      exit 1
+    if [ -z "${PASSWORD:+x}" ]; then
+        echo "ERROR: Must set PASSWORD if running in secure mode"
+        echo "$USAGE"
+        exit 1
     fi
-  else
-    CONFIG=secure-notebook.yml
-  fi
-  export PORT=${PORT:=443}
+    if [ "$LETSENCRYPT" == yes ]; then
+        CONFIG=letsencrypt-notebook.yml
+        if [ -z "${SECRETS_VOLUME:+x}" ]; then
+            echo "ERROR: Must set SECRETS_VOLUME if running in letsencrypt mode"
+            echo "$USAGE"
+            exit 1
+        fi
+    else
+        CONFIG=secure-notebook.yml
+    fi
+    export PORT=${PORT:=443}
 else
-  CONFIG=notebook.yml
-  export PORT=${PORT:=80}
+    CONFIG=notebook.yml
+    export PORT=${PORT:=80}
 fi
 
 # Setup environment