Remove 2.4 (EOL)

Author: tianon

2.4/Dockerfile

@@ -62,7 +62,7 @@ ENV HAPROXY_SHA256 {{ .sha256 }}
 		# Since 5.4 is supported on haproxy, better use it now, but only for
 		# newer versions since there could be some minor incompatibilities
 		# for existing scripts: https://www.lua.org/manual/5.4/manual.html#8
-		if env.version | IN("2.4", "2.6", "2.8") then
+		if env.version | IN("2.6", "2.8") then
 			"5.3"
 		else
 			"5.4"
@@ -121,7 +121,7 @@ RUN set -eux; \
 		USE_PROMEX=1 \
 		# https://github.com/haproxy/haproxy/blob/a203ce685464988afbd92c8a376fcafae9bab5b5/INSTALL#L368-L373
 		USE_PTHREAD_EMULATION=1 \
-{{ if env.version | IN("2.4", "2.6", "2.8", "3.0") then "" else ( -}}
+{{ if env.version | IN("2.6", "2.8", "3.0") then "" else ( -}}
 		# https://www.haproxy.com/blog/announcing-haproxy-3-2#quic-protocol
 		# [in 3.2] QUIC TLS API was ported to OpenSSL 3.5
 		# Openssl 3.5+ is available on Debian Trixie and Alpine 3.22 and newer
@@ -185,7 +185,7 @@ ENTRYPOINT ["docker-entrypoint.sh"]
 
 USER haproxy
 
-{{ if env.version | IN("2.4", "2.6") then ( -}}
+{{ if env.version | IN("2.6") then ( -}}
 # no WORKDIR for backwards compatibility (to try to avoid breaking existing users)
 {{ ) else ( -}}
 # https://github.com/docker-library/haproxy/issues/200

2.4/alpine/Dockerfile

@@ -1,11 +1,4 @@
 {
-  "2.4": {
-    "alpine": "3.24",
-    "debian": "trixie-slim",
-    "sha256": "64e6e8b435498bac034113df2d9fd60bfef5d0ea3f57fa2d122e96f0ae1d871b",
-    "url": "https://www.haproxy.org/download/2.4/src/haproxy-2.4.36.tar.gz",
-    "version": "2.4.36"
-  },
   "2.6": {
     "alpine": "3.24",
     "debian": "trixie-slim",