diff --git a/.github/workflows/luacheck.yml b/.github/workflows/luacheck.yml
new file mode 100644
index 0000000..b6b05d7
--- /dev/null
+++ b/.github/workflows/luacheck.yml
@@ -0,0 +1,16 @@
+name: Luacheck
+
+on:
+  push:
+  pull_request:
+
+jobs:
+  luacheck:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Luacheck linter
+        uses: lunarmodules/luacheck@v1
+        with:
+          args: src/
diff --git a/.github/workflows/test-all.yml b/.github/workflows/test-all.yml
new file mode 100644
index 0000000..958cc8d
--- /dev/null
+++ b/.github/workflows/test-all.yml
@@ -0,0 +1,24 @@
+name: Test features
+
+on:
+  push:
+  pull_request:
+
+jobs:
+  runner-job:
+    runs-on: ubuntu-latest
+    services:
+      nats:
+        image: nats
+        ports:
+          - "4222:4222"
+    steps:
+      - name: Install Luarocks
+        run: sudo apt-get update && sudo apt-get -y --no-install-recommends install luarocks
+      - name: Install telescope
+        run: sudo luarocks install telescope
+      - uses: actions/checkout@v4
+      - name: Install deps
+        run: sudo make deps
+      - name: Test Features
+        run: make test
diff --git a/.luacheckrc b/.luacheckrc
new file mode 100644
index 0000000..074308f
--- /dev/null
+++ b/.luacheckrc
@@ -0,0 +1,3 @@
+globals = {
+           "unique_id"
+}
diff --git a/Makefile b/Makefile
index 3cb15eb..0aea749 100644
--- a/Makefile
+++ b/Makefile
@@ -1,5 +1,5 @@
 test:
-	tsc -f tests/*.lua
+	make -C tests test
 
 test-deps:
 	luarocks install telescope
diff --git a/docker-compose.yml b/docker-compose.yml
index 09935e8..1bed861 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -4,4 +4,4 @@ services:
   nats:
     image: nats
     ports:
-      - "4222:4222"
\ No newline at end of file
+      - "4222:4222"
diff --git a/src/nats.lua b/src/nats.lua
index 1113c82..8da7e87 100644
--- a/src/nats.lua
+++ b/src/nats.lua
@@ -53,7 +53,7 @@ local function merge_defaults(parameters)
     if parameters == nil then
         parameters = {}
     end
-    for k, v in pairs(defaults) do
+    for k, _ in pairs(defaults) do
         if parameters[k] == nil then
             parameters[k] = defaults[k]
         end
diff --git a/tests/Makefile b/tests/Makefile
new file mode 100644
index 0000000..8f19fe7
--- /dev/null
+++ b/tests/Makefile
@@ -0,0 +1,2 @@
+test:
+	tsc -f *.lua