From 907b425c1426bf6288f60fe8926eb6eb5546dd32 Mon Sep 17 00:00:00 2001
From: Erik Martin-Dorel <erik.martin-dorel@irit.fr>
Date: Tue, 9 Apr 2024 21:03:06 +0200
Subject: [PATCH] fix(docker): Add missing alpine package (lsof)

This makes it possible to fix the error:
```
Waiting for process 9 to terminate...  0 Error: process didn't terminate in time
```
triggered by either `--serve-during-build` or `--replace` CLI options.
---
 Dockerfile             | 2 +-
 Dockerfile.test-server | 2 +-
 learn-ocaml.opam       | 3 +++
 3 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/Dockerfile b/Dockerfile
index 126d0b2c1..270f8a15c 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -48,7 +48,7 @@ ENTRYPOINT ["dumb-init","/usr/bin/learn-ocaml-client"]
 FROM alpine:3.13 as program
 
 RUN apk update \
-  && apk add ncurses-libs libev dumb-init git openssl \
+  && apk add ncurses-libs libev dumb-init git openssl lsof \
   && addgroup learn-ocaml \
   && adduser learn-ocaml -DG learn-ocaml
 
diff --git a/Dockerfile.test-server b/Dockerfile.test-server
index 43b0fe50e..063b1d559 100644
--- a/Dockerfile.test-server
+++ b/Dockerfile.test-server
@@ -54,7 +54,7 @@ LABEL org.label-schema.build-date="${BUILD_DATE}" \
   org.label-schema.schema-version="1.0"
 
 RUN apk update \
-  && apk add ncurses-libs libev dumb-init git openssl \
+  && apk add ncurses-libs libev dumb-init git openssl lsof \
   && addgroup learn-ocaml \
   && adduser learn-ocaml -DG learn-ocaml
 
diff --git a/learn-ocaml.opam b/learn-ocaml.opam
index 9cafcb111..ceb0613f2 100644
--- a/learn-ocaml.opam
+++ b/learn-ocaml.opam
@@ -17,6 +17,9 @@ license: "MIT"
 homepage: "https://github.com/ocaml-sf/learn-ocaml"
 bug-reports: "https://github.com/ocaml-sf/learn-ocaml/issues"
 dev-repo: "git+https://github.com/ocaml-sf/learn-ocaml"
+depexts: [
+  ["lsof"] {os-distribution = "alpine"}
+]
 depends: [
   "asak" { >= "0.4"}
   "base64"