diff --git a/0.14/build.sh b/0.14/build.sh
index 50b2cf9..8831cfe 100755
--- a/0.14/build.sh
+++ b/0.14/build.sh
@@ -1 +1,2 @@
+#!/bin/sh
 sudo docker build --no-cache -t factorio .
diff --git a/0.14/clean.sh b/0.14/clean.sh
index 08dc515..afee4ef 100755
--- a/0.14/clean.sh
+++ b/0.14/clean.sh
@@ -1 +1,2 @@
+#!/bin/sh
 sudo rm -rf /tmp/factorio
diff --git a/0.14/docker-entrypoint.sh b/0.14/docker-entrypoint.sh
index 4eb8cc0..5f8f3d5 100755
--- a/0.14/docker-entrypoint.sh
+++ b/0.14/docker-entrypoint.sh
@@ -1,30 +1,30 @@
 #!/bin/sh -x
 
-set -e
+set -euo pipefail
 
 SAVES=/factorio/saves
 CONFIG=/factorio/config
 
-mkdir -p $SAVES
+mkdir -p "$SAVES"
 mkdir -p /factorio/mods
-mkdir -p $CONFIG
+mkdir -p "$CONFIG"
 
 if [ ! -f $CONFIG/rconpw ]; then
-  echo $(pwgen 15 1) > $CONFIG/rconpw
+  pwgen 15 1 >"$CONFIG/rconpw"
 fi
 
-if [ ! -f $CONFIG/server-settings.json ]; then
-  cp /opt/factorio/data/server-settings.example.json $CONFIG/server-settings.json
+if [ ! -f "$CONFIG/server-settings.json" ]; then
+  cp /opt/factorio/data/server-settings.example.json "$CONFIG/server-settings.json"
 fi
 
-if [ ! -f $CONFIG/map-gen-settings.json ]; then
-  cp /opt/factorio/data/map-gen-settings.example.json $CONFIG/map-gen-settings.json
+if [ ! -f "$CONFIG/map-gen-settings.json" ]; then
+  cp /opt/factorio/data/map-gen-settings.example.json "$CONFIG/map-gen-settings.json"
 fi
 
-if ! find -L $SAVES -iname \*.zip -mindepth 1 -print | grep -q .; then
+if ! find -L "$SAVES" -iname \*.zip -mindepth 1 -print | grep -q .; then
   /opt/factorio/bin/x64/factorio \
-    --create $SAVES/_autosave1.zip  \
-    --map-gen-settings $CONFIG/map-gen-settings.json
+    --create "$SAVES/_autosave1.zip" \
+    --map-gen-settings "$CONFIG/map-gen-settings.json"
 fi
 
 exec /opt/factorio/bin/x64/factorio \
@@ -32,4 +32,4 @@ exec /opt/factorio/bin/x64/factorio \
   --start-server-load-latest \
   --server-settings $CONFIG/server-settings.json \
   --rcon-port 27015 \
-  --rcon-password "$(cat $CONFIG/rconpw)"
+  --rcon-password "$(cat "$CONFIG/rconpw")"
diff --git a/0.14/run.sh b/0.14/run.sh
index 601920a..8bb5a08 100755
--- a/0.14/run.sh
+++ b/0.14/run.sh
@@ -1,3 +1,4 @@
+#!/bin/sh
 sudo docker run --rm -it \
 	-v /tmp/factorio:/factorio \
 	--name factorio \
diff --git a/0.15/docker-entrypoint.sh b/0.15/docker-entrypoint.sh
index 9228ef1..c42e384 100755
--- a/0.15/docker-entrypoint.sh
+++ b/0.15/docker-entrypoint.sh
@@ -1,43 +1,43 @@
 #!/bin/sh -x
 
-set -e
+set -euo pipefail
 
 SAVES=/factorio/saves
 CONFIG=/factorio/config
 
-mkdir -p $SAVES
+mkdir -p "$SAVES"
 mkdir -p /factorio/mods
-mkdir -p $CONFIG
+mkdir -p "$CONFIG"
 
-if [ ! -f $CONFIG/rconpw ]; then
-  echo $(pwgen 15 1) > $CONFIG/rconpw
+if [ ! -f "$CONFIG/rconpw" ]; then
+  pwgen 15 1 >"$CONFIG/rconpw"
 fi
 
-if [ ! -f $CONFIG/server-settings.json ]; then
-  cp /opt/factorio/data/server-settings.example.json $CONFIG/server-settings.json
+if [ ! -f "$CONFIG/server-settings.json" ]; then
+  cp /opt/factorio/data/server-settings.example.json "$CONFIG/server-settings.json"
 fi
 
-if [ ! -f $CONFIG/map-gen-settings.json ]; then
-  cp /opt/factorio/data/map-gen-settings.example.json $CONFIG/map-gen-settings.json
+if [ ! -f "$CONFIG/map-gen-settings.json" ]; then
+  cp /opt/factorio/data/map-gen-settings.example.json "$CONFIG/map-gen-settings.json"
 fi
 
-if [ ! -f $CONFIG/map-settings.json ]; then
-  cp /opt/factorio/data/map-settings.example.json $CONFIG/map-settings.json
+if [ ! -f "$CONFIG/map-settings.json" ]; then
+  cp /opt/factorio/data/map-settings.example.json "$CONFIG/map-settings.json"
 fi
 
-if ! find -L $SAVES -iname \*.zip -mindepth 1 -print | grep -q .; then
+if ! find -L "$SAVES" -iname \*.zip -mindepth 1 -print | grep -q .; then
   /opt/factorio/bin/x64/factorio \
-    --create $SAVES/_autosave1.zip  \
-    --map-gen-settings $CONFIG/map-gen-settings.json \
-    --map-settings $CONFIG/map-settings.json
+    --create "$SAVES/_autosave1.zip" \
+    --map-gen-settings "$CONFIG/map-gen-settings.json" \
+    --map-settings "$CONFIG/map-settings.json"
 fi
 
 exec /opt/factorio/bin/x64/factorio \
-  --port $PORT \
+  --port "$PORT" \
   --start-server-load-latest \
-  --server-settings $CONFIG/server-settings.json \
-  --server-whitelist $CONFIG/server-whitelist.json \
-  --server-banlist $CONFIG/server-banlist.json \
-  --rcon-port $RCON_PORT \
-  --rcon-password "$(cat $CONFIG/rconpw)" \
+  --server-settings "$CONFIG/server-settings.json" \
+  --server-whitelist "$CONFIG/server-whitelist.json" \
+  --server-banlist "$CONFIG/server-banlist.json" \
+  --rcon-port "$RCON_PORT" \
+  --rcon-password "$(cat "$CONFIG/rconpw")" \
   --server-id /factorio/config/server-id.json
diff --git a/0.16/files/docker-entrypoint.sh b/0.16/files/docker-entrypoint.sh
index 3aee1b8..605136f 100755
--- a/0.16/files/docker-entrypoint.sh
+++ b/0.16/files/docker-entrypoint.sh
@@ -1,48 +1,48 @@
 #!/bin/sh -x
-set -e
+set -euo pipefail
 
 id
 
-mkdir -p $SAVES
-mkdir -p $CONFIG
-mkdir -p $MODS
-mkdir -p $SCENARIOS
-mkdir -p $SCRIPTOUTPUT
+mkdir -p "$SAVES"
+mkdir -p "$CONFIG"
+mkdir -p "$MODS"
+mkdir -p "$SCENARIOS"
+mkdir -p "$SCRIPTOUTPUT"
 
-if [ ! -f $CONFIG/rconpw ]; then
-  echo $(pwgen 15 1) > $CONFIG/rconpw
+if [ ! -f "$CONFIG/rconpw" ]; then
+  pwgen 15 1>"$CONFIG/rconpw"
 fi
 
-if [ ! -f $CONFIG/server-settings.json ]; then
-  cp /opt/factorio/data/server-settings.example.json $CONFIG/server-settings.json
+if [ ! -f "$CONFIG/server-settings.json" ]; then
+  cp /opt/factorio/data/server-settings.example.json "$CONFIG/server-settings.json"
 fi
 
-if [ ! -f $CONFIG/map-gen-settings.json ]; then
-  cp /opt/factorio/data/map-gen-settings.example.json $CONFIG/map-gen-settings.json
+if [ ! -f "$CONFIG/map-gen-settings.json" ]; then
+  cp /opt/factorio/data/map-gen-settings.example.json "$CONFIG/map-gen-settings.json"
 fi
 
-if [ ! -f $CONFIG/map-settings.json ]; then
-  cp /opt/factorio/data/map-settings.example.json $CONFIG/map-settings.json
+if [ ! -f "$CONFIG/map-settings.json" ]; then
+  cp /opt/factorio/data/map-settings.example.json "$CONFIG/map-settings.json"
 fi
 
-if find -L $SAVES -iname \*.tmp.zip -mindepth 1 -print | grep -q .; then
-  rm -f $SAVES/*.tmp.zip
+if find -L "$SAVES" -iname \*.tmp.zip -mindepth 1 -print | grep -q .; then
+  rm -f "$SAVES/*.tmp.zip"
 fi
 
-if ! find -L $SAVES -iname \*.zip -mindepth 1 -print | grep -q .; then
+if ! find -L "$SAVES" -iname \*.zip -mindepth 1 -print | grep -q .; then
   /opt/factorio/bin/x64/factorio \
-    --create $SAVES/_autosave1.zip  \
-    --map-gen-settings $CONFIG/map-gen-settings.json \
-    --map-settings $CONFIG/map-settings.json
+    --create "$SAVES/_autosave1.zip" \
+    --map-gen-settings "$CONFIG/map-gen-settings.json" \
+    --map-settings "$CONFIG/map-settings.json"
 fi
 
 exec /opt/factorio/bin/x64/factorio \
-  --port $PORT \
+  --port "$PORT" \
   --start-server-load-latest \
-  --server-settings $CONFIG/server-settings.json \
-  --server-whitelist $CONFIG/server-whitelist.json \
-  --server-banlist $CONFIG/server-banlist.json \
-  --rcon-port $RCON_PORT \
-  --rcon-password "$(cat $CONFIG/rconpw)" \
+  --server-settings "$CONFIG/server-settings.json" \
+  --server-whitelist "$CONFIG/server-whitelist.json" \
+  --server-banlist "$CONFIG/server-banlist.json" \
+  --rcon-port "$RCON_PORT" \
+  --rcon-password "$(cat "$CONFIG/rconpw")" \
   --server-id /factorio/config/server-id.json \
-  $@
+  "$@"
diff --git a/0.16/files/scenario.sh b/0.16/files/scenario.sh
index 588e51c..634c6bf 100755
--- a/0.16/files/scenario.sh
+++ b/0.16/files/scenario.sh
@@ -1,44 +1,42 @@
 #!/bin/sh -x
-if [ -z "$1" ]
-  then
-    echo "No argument supplied"
+if [ -z "$1" ]; then
+  echo "No argument supplied"
 fi
 SCENARIO=$1
 
-set -e
+set -euo pipefail
 
 id
 
-mkdir -p $SAVES
-mkdir -p $CONFIG
-mkdir -p $MODS
-mkdir -p $SCENARIOS
+mkdir -p "$SAVES"
+mkdir -p "$CONFIG"
+mkdir -p "$MODS"
+mkdir -p "$SCENARIO"
 
 #chown -R factorio /factorio
 
-if [ ! -f $CONFIG/rconpw ]; then
-  echo $(pwgen 15 1) > $CONFIG/rconpw
+if [ ! -f "$CONFIG/rconpw" ]; then
+  pwgen 15 1 >"$CONFIG/rconpw"
 fi
 
-if [ ! -f $CONFIG/server-settings.json ]; then
-  cp /opt/factorio/data/server-settings.example.json $CONFIG/server-settings.json
+if [ ! -f "$CONFIG/server-settings.json" ]; then
+  cp /opt/factorio/data/server-settings.example.json "$CONFIG/server-settings.json"
 fi
 
-if [ ! -f $CONFIG/map-gen-settings.json ]; then
-  cp /opt/factorio/data/map-gen-settings.example.json $CONFIG/map-gen-settings.json
+if [ ! -f "$CONFIG/map-gen-settings.json" ]; then
+  cp /opt/factorio/data/map-gen-settings.example.json "$CONFIG/map-gen-settings.json"
 fi
 
-if [ ! -f $CONFIG/map-settings.json ]; then
-  cp /opt/factorio/data/map-settings.example.json $CONFIG/map-settings.json
+if [ ! -f "$CONFIG/map-settings.json" ]; then
+  cp /opt/factorio/data/map-settings.example.json "$CONFIG/map-settings.json"
 fi
 
-
 exec /opt/factorio/bin/x64/factorio \
-  --port $PORT \
-  --start-server-load-scenario $SCENARIO \
-  --server-settings $CONFIG/server-settings.json \
-  --server-whitelist $CONFIG/server-whitelist.json \
-  --server-banlist $CONFIG/server-banlist.json \
-  --rcon-port $RCON_PORT \
-  --rcon-password "$(cat $CONFIG/rconpw)" \
+  --port "$PORT" \
+  --start-server-load-scenario "$SCENARIO" \
+  --server-settings "$CONFIG/server-settings.json" \
+  --server-whitelist "$CONFIG/server-whitelist.json" \
+  --server-banlist "$CONFIG/server-banlist.json" \
+  --rcon-port "$RCON_PORT" \
+  --rcon-password "$(cat "$CONFIG/rconpw")" \
   --server-id /factorio/config/server-id.json
diff --git a/0.16/files/scenario2map.sh b/0.16/files/scenario2map.sh
index f95d08d..8260276 100755
--- a/0.16/files/scenario2map.sh
+++ b/0.16/files/scenario2map.sh
@@ -1,30 +1,29 @@
 #!/bin/sh -x
-if [ -z "$1" ]
-  then
-    echo "No argument supplied"
+if [ -z "$1" ]; then
+  echo "No argument supplied"
 fi
 SCENARIO=$1
 
-set -e
+set -euo pipefail
 
 id
 
-mkdir -p $SAVES
-mkdir -p $CONFIG
-mkdir -p $MODS
-mkdir -p $SCENARIOS
+mkdir -p "$SAVES"
+mkdir -p "$CONFIG"
+mkdir -p "$MODS"
+mkdir -p "$SCENARIO"
 
-if [ ! -f $CONFIG/server-settings.json ]; then
-  cp /opt/factorio/data/server-settings.example.json $CONFIG/server-settings.json
+if [ ! -f "$CONFIG/server-settings.json" ]; then
+  cp /opt/factorio/data/server-settings.example.json "$CONFIG/server-settings.json"
 fi
 
-if [ ! -f $CONFIG/map-gen-settings.json ]; then
-  cp /opt/factorio/data/map-gen-settings.example.json $CONFIG/map-gen-settings.json
+if [ ! -f "$CONFIG/map-gen-settings.json" ]; then
+  cp /opt/factorio/data/map-gen-settings.example.json "$CONFIG/map-gen-settings.json"
 fi
 
-if [ ! -f $CONFIG/map-settings.json ]; then
-  cp /opt/factorio/data/map-settings.example.json $CONFIG/map-settings.json
+if [ ! -f "$CONFIG/map-settings.json" ]; then
+  cp /opt/factorio/data/map-settings.example.json "$CONFIG/map-settings.json"
 fi
 
 exec /opt/factorio/bin/x64/factorio \
-  --scenario2map $SCENARIO
+  --scenario2map "$SCENARIO"
diff --git a/0.17/files/docker-entrypoint.sh b/0.17/files/docker-entrypoint.sh
index 2b4d931..875745f 100755
--- a/0.17/files/docker-entrypoint.sh
+++ b/0.17/files/docker-entrypoint.sh
@@ -1,69 +1,69 @@
 #!/bin/sh -x
-set -e
+set -euo pipefail
 
 id
 
 FACTORIO_VOL=/factorio
-mkdir -p $FACTORIO_VOL
-mkdir -p $SAVES
-mkdir -p $CONFIG
-mkdir -p $MODS
-mkdir -p $SCENARIOS
-mkdir -p $SCRIPTOUTPUT
+mkdir -p "$FACTORIO_VOL"
+mkdir -p "$SAVES"
+mkdir -p "$CONFIG"
+mkdir -p "$MODS"
+mkdir -p "$SCENARIOS"
+mkdir -p "$SCRIPTOUTPUT"
 
-if [ ! -f $CONFIG/rconpw ]; then
+if [ ! -f "$CONFIG/rconpw" ]; then
   # Generate a new RCON password if none exists
-  echo $(pwgen 15 1) > $CONFIG/rconpw
+  pwgen 15 1 >"$CONFIG/rconpw"
 fi
 
-if [ ! -f $CONFIG/server-settings.json ]; then
+if [ ! -f "$CONFIG/server-settings.json" ]; then
   # Copy default settings if server-settings.json doesn't exist
-  cp /opt/factorio/data/server-settings.example.json $CONFIG/server-settings.json
+  cp /opt/factorio/data/server-settings.example.json "$CONFIG/server-settings.json"
 fi
 
-if [ ! -f $CONFIG/map-gen-settings.json ]; then
-  cp /opt/factorio/data/map-gen-settings.example.json $CONFIG/map-gen-settings.json
+if [ ! -f "$CONFIG/map-gen-settings.json" ]; then
+  cp /opt/factorio/data/map-gen-settings.example.json "$CONFIG/map-gen-settings.json"
 fi
 
-if [ ! -f $CONFIG/map-settings.json ]; then
-  cp /opt/factorio/data/map-settings.example.json $CONFIG/map-settings.json
+if [ ! -f "$CONFIG/map-settings.json" ]; then
+  cp /opt/factorio/data/map-settings.example.json "$CONFIG/map-settings.json"
 fi
 
-if find -L $SAVES -iname \*.tmp.zip -mindepth 1 -print | grep -q .; then
+if find -L "$SAVES" -iname \*.tmp.zip -mindepth 1 -print | grep -q .; then
   # Delete incomplete saves (such as after a forced exit)
-  rm -f $SAVES/*.tmp.zip
+  rm -f "$SAVES/*.tmp.zip"
 fi
 
 if [ "$(id -u)" = '0' ]; then
   # Update the User and Group ID based on the PUID/PGID variables
-  usermod -o -u $PUID factorio
-  groupmod -o -g $PGID factorio
+  usermod -o -u "$PUID" factorio
+  groupmod -o -g "$PGID" factorio
   # Take ownership of factorio data if running as root
   chown -R factorio:factorio $FACTORIO_VOL
-  # Make sure we own temp
-  #mkdir -p /opt/factorio/temp
-  #chown -R factorio:factorio /opt/factorio/temp
   # Drop to the factorio user
   SU_EXEC="su-exec factorio"
+else
+  SU_EXEC=""
 fi
 
-if ! find -L $SAVES -iname \*.zip -mindepth 1 -print | grep -q .; then
+if ! find -L "$SAVES" -iname \*.zip -mindepth 1 -print | grep -q .; then
   # Generate a new map if no save ZIPs exist
-  ${SU_EXEC} /opt/factorio/bin/x64/factorio \
-    --create $SAVES/_autosave1.zip  \
-    --map-gen-settings $CONFIG/map-gen-settings.json \
-    --map-settings $CONFIG/map-settings.json
+  $SU_EXEC /opt/factorio/bin/x64/factorio \
+    --create "$SAVES/_autosave1.zip" \
+    --map-gen-settings "$CONFIG/map-gen-settings.json" \
+    --map-settings "$CONFIG/map-settings.json"
 fi
 
-exec ${SU_EXEC} /opt/factorio/bin/x64/factorio \
-  --port $PORT \
+# shellcheck disable=SC2086
+exec $SU_EXEC /opt/factorio/bin/x64/factorio \
+  --port "$PORT" \
   --start-server-load-latest \
-  --server-settings $CONFIG/server-settings.json \
-  --server-banlist $CONFIG/server-banlist.json \
-  --rcon-port $RCON_PORT \
-  --server-whitelist $CONFIG/server-whitelist.json \
+  --server-settings "$CONFIG/server-settings.json" \
+  --server-banlist "$CONFIG/server-banlist.json" \
+  --rcon-port "$RCON_PORT" \
+  --server-whitelist "$CONFIG/server-whitelist.json" \
   --use-server-whitelist \
-  --server-adminlist $CONFIG/server-adminlist.json \
-  --rcon-password "$(cat $CONFIG/rconpw)" \
+  --server-adminlist "$CONFIG/server-adminlist.json" \
+  --rcon-password "$(cat "$CONFIG/rconpw")" \
   --server-id /factorio/config/server-id.json \
   "$@"
diff --git a/0.17/files/scenario.sh b/0.17/files/scenario.sh
index 588e51c..c8cfe58 100755
--- a/0.17/files/scenario.sh
+++ b/0.17/files/scenario.sh
@@ -1,44 +1,42 @@
 #!/bin/sh -x
-if [ -z "$1" ]
-  then
-    echo "No argument supplied"
+if [ -z "$1" ]; then
+  echo "No argument supplied"
 fi
-SCENARIO=$1
+SCENARIO="$1"
 
-set -e
+set -euo pipefail
 
 id
 
-mkdir -p $SAVES
-mkdir -p $CONFIG
-mkdir -p $MODS
-mkdir -p $SCENARIOS
+mkdir -p "$SAVES"
+mkdir -p "$CONFIG"
+mkdir -p "$MODS"
+mkdir -p "$SCENARIO"
 
 #chown -R factorio /factorio
 
-if [ ! -f $CONFIG/rconpw ]; then
-  echo $(pwgen 15 1) > $CONFIG/rconpw
+if [ ! -f "$CONFIG/rconpw" ]; then
+  pwgen 15 1 >"$CONFIG/rconpw"
 fi
 
-if [ ! -f $CONFIG/server-settings.json ]; then
-  cp /opt/factorio/data/server-settings.example.json $CONFIG/server-settings.json
+if [ ! -f "$CONFIG/server-settings.json" ]; then
+  cp /opt/factorio/data/server-settings.example.json "$CONFIG/server-settings.json"
 fi
 
-if [ ! -f $CONFIG/map-gen-settings.json ]; then
-  cp /opt/factorio/data/map-gen-settings.example.json $CONFIG/map-gen-settings.json
+if [ ! -f "$CONFIG/map-gen-settings.json" ]; then
+  cp /opt/factorio/data/map-gen-settings.example.json "$CONFIG/map-gen-settings.json"
 fi
 
-if [ ! -f $CONFIG/map-settings.json ]; then
-  cp /opt/factorio/data/map-settings.example.json $CONFIG/map-settings.json
+if [ ! -f "$CONFIG/map-settings.json" ]; then
+  cp /opt/factorio/data/map-settings.example.json "$CONFIG/map-settings.json"
 fi
 
-
 exec /opt/factorio/bin/x64/factorio \
-  --port $PORT \
-  --start-server-load-scenario $SCENARIO \
-  --server-settings $CONFIG/server-settings.json \
-  --server-whitelist $CONFIG/server-whitelist.json \
-  --server-banlist $CONFIG/server-banlist.json \
-  --rcon-port $RCON_PORT \
-  --rcon-password "$(cat $CONFIG/rconpw)" \
+  --port "$PORT" \
+  --start-server-load-scenario "$SCENARIO" \
+  --server-settings "$CONFIG/server-settings.json" \
+  --server-whitelist "$CONFIG/server-whitelist.json" \
+  --server-banlist "$CONFIG/server-banlist.json" \
+  --rcon-port "$RCON_PORT" \
+  --rcon-password "$(cat "$CONFIG/rconpw")" \
   --server-id /factorio/config/server-id.json
diff --git a/0.17/files/scenario2map.sh b/0.17/files/scenario2map.sh
index f95d08d..63b09d5 100755
--- a/0.17/files/scenario2map.sh
+++ b/0.17/files/scenario2map.sh
@@ -1,30 +1,29 @@
 #!/bin/sh -x
-if [ -z "$1" ]
-  then
-    echo "No argument supplied"
+if [ -z "$1" ]; then
+  echo "No argument supplied"
 fi
-SCENARIO=$1
+SCENARIO="$1"
 
-set -e
+set -euo pipefail
 
 id
 
-mkdir -p $SAVES
-mkdir -p $CONFIG
-mkdir -p $MODS
-mkdir -p $SCENARIOS
+mkdir -p "$SAVES"
+mkdir -p "$CONFIG"
+mkdir -p "$MODS"
+mkdir -p "$SCENARIO"
 
-if [ ! -f $CONFIG/server-settings.json ]; then
-  cp /opt/factorio/data/server-settings.example.json $CONFIG/server-settings.json
+if [ ! -f "$CONFIG/server-settings.json" ]; then
+  cp /opt/factorio/data/server-settings.example.json "$CONFIG/server-settings.json"
 fi
 
-if [ ! -f $CONFIG/map-gen-settings.json ]; then
-  cp /opt/factorio/data/map-gen-settings.example.json $CONFIG/map-gen-settings.json
+if [ ! -f "$CONFIG/map-gen-settings.json" ]; then
+  cp /opt/factorio/data/map-gen-settings.example.json "$CONFIG/map-gen-settings.json"
 fi
 
-if [ ! -f $CONFIG/map-settings.json ]; then
-  cp /opt/factorio/data/map-settings.example.json $CONFIG/map-settings.json
+if [ ! -f "$CONFIG/map-settings.json" ]; then
+  cp /opt/factorio/data/map-settings.example.json "$CONFIG/map-settings.json"
 fi
 
 exec /opt/factorio/bin/x64/factorio \
-  --scenario2map $SCENARIO
+  --scenario2map "$SCENARIO"