Feat: scratch docker build

2026-06-01 21:51:38 +02:00
parent 8b60d3e280
commit 9fb9430319
2 changed files with 53 additions and 1 deletions
@@ -65,4 +65,16 @@ make STATIC=1
 The dynamically linked binary is smaller but requires dependencies:
 libcurl, libcjson and pthread to be on the target machine.

-The static binary is slightly bigger but is fully self contained.
+The static binary is slightly bigger but is fully self contained.
+
+### Docker Image
+
+The [Dockerfile](./Dockerfile) in this repo builds a minimal image with just the static binary and CA certificates.
+
+```sh
+docker build -t dns-keeper .
+```
+
+> [!TIP]
+> Because the image is just the c binary with ca certs, there is no shell to exec into.  
+> `docker exec` will not work for debugging.