diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..b83d222
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+/target/
diff --git a/data.lua b/data.lua
deleted file mode 100644
index ef778a3..0000000
--- a/data.lua
+++ /dev/null
@@ -1 +0,0 @@
-data.raw.item["barrel"].stack_size = 500
diff --git a/justfile b/justfile
new file mode 100644
index 0000000..f90adc0
--- /dev/null
+++ b/justfile
@@ -0,0 +1,17 @@
+mod_name := `jq -r .name src/info.json`
+version := `jq -r .version src/info.json`
+zip_file := mod_name + "_" + version + ".zip"
+
+default: build
+
+build:
+    mkdir -p target
+    rm -f "target/{{zip_file}}"
+    rm -rf "target/{{mod_name}}"
+    mkdir -p "target/{{mod_name}}"
+    cp -a src/. "target/{{mod_name}}/"
+    cd target && zip -qr "{{zip_file}}" "{{mod_name}}"
+    rm -rf "target/{{mod_name}}"
+
+clean:
+    rm -rf target
diff --git a/src/data-updates.lua b/src/data-updates.lua
new file mode 100644
index 0000000..a362f9a
--- /dev/null
+++ b/src/data-updates.lua
@@ -0,0 +1,7 @@
+local stack_size = settings.startup["barrel-stack-size-tweaker-stack-size"].value
+
+for _, item in pairs(data.raw.item) do
+  if item.name:match("%-barrel$") then
+    item.stack_size = stack_size
+  end
+end
diff --git a/src/data.lua b/src/data.lua
new file mode 100644
index 0000000..8fc0696
--- /dev/null
+++ b/src/data.lua
@@ -0,0 +1 @@
+data.raw.item["barrel"].stack_size = settings.startup["barrel-stack-size-tweaker-stack-size"].value
diff --git a/info.json b/src/info.json
similarity index 64%
rename from info.json
rename to src/info.json
index 7d51e87..cff82b2 100644
--- a/info.json
+++ b/src/info.json
@@ -1,9 +1,9 @@
 {
     "name": "BarrelStackSizeTweaker",
-    "version": "0.1.0",
+    "version": "0.2.0",
     "title": "Barrel StackSize Tweaker",
     "author": "ddidderr",
-    "description": "Sets the stack size of barrels to 500.",
+    "description": "Makes the stack size of barrels configurable (default 500).",
     "factorio_version": "2.0",
     "dependencies": [
         "base >= 2.0"
diff --git a/src/locale/en/settings.cfg b/src/locale/en/settings.cfg
new file mode 100644
index 0000000..4f6f227
--- /dev/null
+++ b/src/locale/en/settings.cfg
@@ -0,0 +1,5 @@
+[mod-setting-name]
+barrel-stack-size-tweaker-stack-size=Barrel stack size
+
+[mod-setting-description]
+barrel-stack-size-tweaker-stack-size=How many barrels (of any kind) fit in one inventory slot.
diff --git a/src/settings.lua b/src/settings.lua
new file mode 100644
index 0000000..7ac19be
--- /dev/null
+++ b/src/settings.lua
@@ -0,0 +1,11 @@
+data:extend({
+  {
+    type = "int-setting",
+    name = "barrel-stack-size-tweaker-stack-size",
+    setting_type = "startup",
+    default_value = 500,
+    minimum_value = 1,
+    maximum_value = 100000,
+    order = "a"
+  }
+})