Add support for MySQL 8.4 (#96)

.github/workflows/build.yml

@@ -18,6 +18,7 @@ jobs:
       matrix:
         id:
           - "mysql-8.0"
+          - "mysql-8.4"
     steps:
       - name: Parse ID
         id: parse

mysql-8.4/Dockerfile

@@ -0,0 +1,38 @@
+FROM mysql:8.4.4-oraclelinux9
+
+# TODO
+# Remove `--setopt=apache-arrow-almalinux.gpgcheck=0` option.
+# It is specified because the installation fails with the following error.
+# ```
+# (microdnf:544): libdnf-WARNING **: 04:37:39.459: failed to parse public key for /etc/pki/rpm-gpg/RPM-GPG-KEY-Apache-Arrow
+# error: failed to parse public key for /var/cache/yum/metadata/apache-arrow-almalinux-9-x86_64/RPM-GPG-KEY-Apache-Arrow
+# ```
+
+ENV groonga_version=14.1.3 \
+    mroonga_version=14.13
+
+RUN mkdir -p /etc/mysql/mysql.conf.d && \
+    touch /etc/mysql/mysql.conf.d/default-auth-override.cnf && \
+    touch /etc/mysql/mysql.conf.d/lowercase-table-names.cnf && \
+    microdnf install -y \
+      'dnf-command(config-manager)' \
+      epel-release && \
+    rpm -i https://packages.groonga.org/almalinux/9/groonga-release-latest.noarch.rpm && \
+    rpm -i https://apache.jfrog.io/artifactory/arrow/almalinux/9/apache-arrow-release-latest.rpm && \
+    microdnf install -y \
+      --setopt=apache-arrow-almalinux.gpgcheck=0 \
+      groonga-tokenizer-mecab-${groonga_version}-1.el9.x86_64 \
+      mysql-community-minimal-8.4-mroonga-${mroonga_version}-1.el9.x86_64 && \
+    microdnf clean all
+
+RUN mkdir -p /docker-entrypoint-mroonga-initdb.d && \
+    cp /usr/share/mroonga/install.sql \
+       /docker-entrypoint-mroonga-initdb.d/00-install.sql && \
+    sed \
+      -i'' \
+      -e 's,docker_process_init_files /,docker_process_init_files /docker-entrypoint-mroonga-initdb.d/* /,g' \
+      /usr/local/bin/docker-entrypoint.sh
+
+# mysql:8.4.4 image has DB in /var/lib/mysql/.
+# This clears /var/lib/mysql/ to ensure creating a new DB on "docker run".
+VOLUME ["/var/lib/mysql"]