Docker: Bump alpine to 3.18.

docker/1.5-openssl/Dockerfile

@@ -1,4 +1,4 @@
-FROM alpine:3.14
+FROM alpine:3.18
 
 LABEL maintainer="Roger Light <roger@atchoo.org>" \
     description="Eclipse Mosquitto MQTT Broker"
@@ -6,16 +6,19 @@ LABEL maintainer="Roger Light <roger@atchoo.org>" \
 ENV VERSION=1.5.11 \
     DOWNLOAD_SHA256=4a3b8a8f5505d27a7a966dd68bfd76f1e69feb51796d1b46b7271d1bb5a1a299 \
     GPG_KEYS=A0D6EEA1DCAE49A635A3B2F0779B22DFB3E717B7 \
-    LWS_VERSION=2.4.2
+    LWS_VERSION=4.2.1 \
+    LWS_SHA256=842da21f73ccba2be59e680de10a8cce7928313048750eb6ad73b6fa50763c51
 
 RUN set -x && \
     apk --no-cache add --virtual build-deps \
         build-base \
         cmake \
         gnupg \
+        linux-headers \
         openssl-dev \
         util-linux-dev && \
     wget https://github.com/warmcat/libwebsockets/archive/v${LWS_VERSION}.tar.gz -O /tmp/lws.tar.gz && \
+    echo "$LWS_SHA256  /tmp/lws.tar.gz" | sha256sum -c - && \
     mkdir -p /build/lws && \
     tar --strip=1 -xf /tmp/lws.tar.gz -C /build/lws && \
     rm /tmp/lws.tar.gz && \
@@ -23,11 +26,13 @@ RUN set -x && \
     cmake . \
         -DCMAKE_BUILD_TYPE=MinSizeRel \
         -DCMAKE_INSTALL_PREFIX=/usr \
+        -DDISABLE_WERROR=ON \
         -DLWS_IPV6=ON \
         -DLWS_WITHOUT_BUILTIN_GETIFADDRS=ON \
         -DLWS_WITHOUT_CLIENT=ON \
         -DLWS_WITHOUT_EXTENSIONS=ON \
         -DLWS_WITHOUT_TESTAPPS=ON \
+        -DLWS_WITH_EXTERNAL_POLL=ON \
         -DLWS_WITH_HTTP2=OFF \
         -DLWS_WITH_SHARED=OFF \
         -DLWS_WITH_ZIP_FOPS=OFF \

docker/2.0-openssl/Dockerfile

@@ -1,4 +1,4 @@
-FROM alpine:3.16
+FROM alpine:3.18
 
 LABEL maintainer="Roger Light <roger@atchoo.org>" \
     description="Eclipse Mosquitto MQTT Broker"

docker/2.0/Dockerfile

@@ -1,4 +1,4 @@
-FROM alpine:3.16
+FROM alpine:3.18
 
 LABEL maintainer="Roger Light <roger@atchoo.org>" \
     description="Eclipse Mosquitto MQTT Broker"