diff --git a/.github/workflows/push.yaml b/.github/workflows/push.yaml
new file mode 100644
index 0000000..7e8a6b1
--- /dev/null
+++ b/.github/workflows/push.yaml
@@ -0,0 +1,21 @@
+name: Push
+on:
+  push:
+    branches:
+      - main
+
+jobs:
+  test:
+    name: Lint and test
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v6
+
+      - name: Install Nix
+        uses: nixbuild/nix-quick-install-action@v34
+
+      - run: nix flake check
+      - run: nix develop --command mix deps.get
+      - run: nix develop --command mix credo --mute-exit-status -a
+      - run: nix develop --command mix test
diff --git a/README.md b/README.md
index 2a71f56..8cfc7e7 100644
--- a/README.md
+++ b/README.md
@@ -10,12 +10,12 @@ IPFS/IPLD ecosystem while remaining minimal and self-contained.
 
 This library provides:
 
-- `DASL.CID`: — content identifiers, a compact, self-describing pointer to a
+- `DASL.CID`: content identifiers, a compact, self-describing pointer to a
   piece of data.
-- `DASL.DRISL`: — deterministic CBOR serialization.
-- `DASL.CAR`: — Content-Addressable aRchive encoding and decoding, as well as a
+- `DASL.DRISL`: deterministic CBOR serialization.
+- `DASL.CAR`: Content-Addressable aRchive encoding and decoding, as well as a
   stream decoder.
-- `DASL.CAR.DRISL`: — a higher-level CAR variant where block values are Elixir
+- `DASL.CAR.DRISL`: a higher-level CAR variant where block values are Elixir
   terms rather than raw binaries, and are encoded/decoded via DRISL
   transparently.