update

build/Dockerfile

@@ -1,22 +1,15 @@
-FROM buildpack-deps:stable AS static-libcrypt
+FROM buildpack-deps:bookworm AS static-libcrypt
 
-# XXX: We use ubuntu:20.04(focal)'s libcrypt.a
-# because ubuntu:18.04(bionic)'s libcrypt.a depends on __snprintf
-# see: objdump -x libcrypt.a | grep snprintf
-
-# https://launchpad.net/ubuntu/focal/amd64/libcrypt-dev/
-# https://launchpad.net/ubuntu/focal/arm64/libcrypt-dev/
-ARG LIBCRYPT_DEV=libcrypt-dev_4.4.36-5
 RUN set -eux; \
   mkdir /libc6-dev; \
   cd /tmp; \
   if [ $(uname -m) = x86_64 ]; then \
-    curl -fsSL -O https://archive.ubuntu.com/ubuntu/pool/main/libx/libxcrypt/${LIBCRYPT_DEV}_amd64.deb; \
-    dpkg-deb -x ${LIBCRYPT_DEV}_amd64.deb /libc6-dev; \
+    curl -fsSL -O http://security.ubuntu.com/ubuntu/pool/main/g/glibc/libc6-dev_2.23-0ubuntu3_amd64.deb; \
+    dpkg-deb -x libc6-dev_2.23-0ubuntu3_amd64.deb /libc6-dev; \
     cp /libc6-dev/usr/lib/x86_64-linux-gnu/libcrypt.a /libcrypt.a; \
   else \
-    curl -fsSL -O https://ports.ubuntu.com/pool/main/libx/libxcrypt/${LIBCRYPT_DEV}_arm64.deb; \
-    dpkg-deb -x ${LIBCRYPT_DEV}_arm64.deb /libc6-dev; \
+    curl -fsSL -O http://ports.ubuntu.com/pool/main/g/glibc/libc6-dev_2.23-0ubuntu3_arm64.deb; \
+    dpkg-deb -x libc6-dev_2.23-0ubuntu3_arm64.deb /libc6-dev; \
     cp /libc6-dev/usr/lib/aarch64-linux-gnu/libcrypt.a /libcrypt.a; \
   fi; \
   :