docker-library · tianon · Nov 5, 2025 · Oct 20, 2025
diff --git a/2.4/Dockerfile b/2.4/Dockerfile
diff --git a/2.4/alpine/Dockerfile b/2.4/alpine/Dockerfile
diff --git a/2.6/Dockerfile b/2.6/Dockerfile
diff --git a/2.6/alpine/Dockerfile b/2.6/alpine/Dockerfile
diff --git a/2.8/Dockerfile b/2.8/Dockerfile
diff --git a/2.8/alpine/Dockerfile b/2.8/alpine/Dockerfile
diff --git a/3.0/Dockerfile b/3.0/Dockerfile
diff --git a/3.0/alpine/Dockerfile b/3.0/alpine/Dockerfile
diff --git a/3.1/Dockerfile b/3.1/Dockerfile
diff --git a/3.1/alpine/Dockerfile b/3.1/alpine/Dockerfile
diff --git a/3.2/Dockerfile b/3.2/Dockerfile
diff --git a/3.2/alpine/Dockerfile b/3.2/alpine/Dockerfile
diff --git a/3.3/Dockerfile b/3.3/Dockerfile
diff --git a/3.3/alpine/Dockerfile b/3.3/alpine/Dockerfile
diff --git a/Dockerfile.template b/Dockerfile.template
@@ -6,6 +6,8 @@ RUN set -eux; \
 	apk add --no-cache \
 # @system-ca: https://github.com/docker-library/haproxy/pull/216
 		ca-certificates \
+# https://github.com/docker-library/haproxy/issues/59#issuecomment-3418639873
+		socat \
 	;
 
 # roughly, https://git.alpinelinux.org/aports/tree/main/haproxy/haproxy.pre-install?h=3.12-stable
@@ -30,6 +32,8 @@ RUN set -eux; \
 	apt-get install --update -y --no-install-recommends \
 # @system-ca: https://github.com/docker-library/haproxy/pull/216
 		ca-certificates \
+# https://github.com/docker-library/haproxy/issues/59#issuecomment-3418639873
+		socat \
 	; \
 	apt-get dist-clean