build from inception

srcs/requirements/mariadb/Dockerfile

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+# debian -----------------------------------------------------
+
+#	FROM debian:buster
+#
+#	# vim and bash for debug
+#	RUN	apt update && apt install -y \
+#		mariadb-client \
+#		mariadb-server \
+#		vim bash \
+#		&& \
+#		rm -rf /var/lib/apt/lists/*
+#
+#	# config file .cnf :
+#	COPY ./conf/50-server.cnf.debian /etc/mysql/mariadb.conf.d/50-server.cnf
+
+# alpine -----------------------------------------------------
+
+	FROM alpine:3.15
+
+	# vim and bash for debug
+	RUN apk update && apk add \
+		mariadb \
+		mariadb-client \
+		vim bash \
+		&& \
+		rm -rf /var/cache/apk*
+
+	# config file .cnf :
+	COPY ./conf/mariadb-server.cnf.alpine /etc/my.cnf.d/mariadb-server.cnf
+
+# common -----------------------------------------------------
+
+ARG DB_HOST
+ARG DB_NAME
+ARG DB_USER
+ARG DB_PSWD
+
+# init mysql database
+RUN mysql_install_db --user=mysql --ldata=/var/lib/mysql && \
+	mkdir -p /var/run/mysqld && \
+	chown -R mysql:root /var/run/mysqld
+
+# configure wp database
+COPY ./conf/create_db.sql /usr/bin/create_db.sql
+RUN sed -i "s/\${DB_HOST}/${DB_HOST}/g" /usr/bin/create_db.sql && \
+	sed -i "s/\${DB_NAME}/${DB_NAME}/g" /usr/bin/create_db.sql && \
+	sed -i "s/\${DB_USER}/${DB_USER}/g" /usr/bin/create_db.sql && \
+	sed -i "s/\${DB_PSWD}/${DB_PSWD}/g" /usr/bin/create_db.sql
+
+ENTRYPOINT [ "mysqld", "--user=mysql", "--init-file=/usr/bin/create_db.sql" ]
+

srcs/requirements/mariadb/conf/50-server.cnf.debian

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+# inception modifications :
+#
+# [mysqld] :
+#   < port = 3306
+#   > #port = 3306
+#   ---
+#   < #bind-address = 127.0.0.1
+#   > bind-address = 127.0.0.1
+
+#
+# These groups are read by MariaDB server.
+# Use it for options that only the server (but not clients) should see
+#
+# See the examples of server my.cnf files in /usr/share/mysql
+
+# this is read by the standalone daemon and embedded servers
+[server]
+
+# this is only for the mysqld standalone daemon
+[mysqld]
+
+#
+# * Basic Settings
+#
+user                    = mysql
+pid-file                = /var/run/mysqld/mysqld.pid
+socket                  = /var/run/mysqld/mysqld.sock
+port                    = 3306
+basedir                 = /usr
+datadir                 = /var/lib/mysql
+tmpdir                  = /tmp
+lc-messages-dir         = /usr/share/mysql
+#skip-external-locking
+
+# Instead of skip-networking the default is now to listen only on
+# localhost which is more compatible and is not less secure.
+#bind-address            = 127.0.0.1
+
+#
+# * Fine Tuning
+#
+#key_buffer_size        = 16M
+#max_allowed_packet     = 16M
+#thread_stack           = 192K
+#thread_cache_size      = 8
+# This replaces the startup script and checks MyISAM tables if needed
+# the first time they are touched
+#myisam_recover_options = BACKUP
+#max_connections        = 100
+#table_cache            = 64
+#thread_concurrency     = 10
+
+#
+# * Query Cache Configuration
+#
+#query_cache_limit      = 1M
+query_cache_size        = 16M
+
+#
+# * Logging and Replication
+#
+# Both location gets rotated by the cronjob.
+# Be aware that this log type is a performance killer.
+# As of 5.1 you can enable the log at runtime!
+#general_log_file       = /var/log/mysql/mysql.log
+#general_log            = 1
+#
+# Error log - should be very few entries.
+#
+log_error = /var/log/mysql/error.log
+#
+# Enable the slow query log to see queries with especially long duration
+#slow_query_log_file    = /var/log/mysql/mariadb-slow.log
+#long_query_time        = 10
+#log_slow_rate_limit    = 1000
+#log_slow_verbosity     = query_plan
+#log-queries-not-using-indexes
+#
+# The following can be used as easy to replay backup logs or for replication.
+# note: if you are setting up a replication slave, see README.Debian about
+#       other settings you may need to change.
+#server-id              = 1
+#log_bin                = /var/log/mysql/mysql-bin.log
+expire_logs_days        = 10
+#max_binlog_size        = 100M
+#binlog_do_db           = include_database_name
+#binlog_ignore_db       = exclude_database_name
+
+#
+# * Security Features
+#
+# Read the manual, too, if you want chroot!
+#chroot = /var/lib/mysql/
+#
+# For generating SSL certificates you can use for example the GUI tool "tinyca".
+#
+#ssl-ca = /etc/mysql/cacert.pem
+#ssl-cert = /etc/mysql/server-cert.pem
+#ssl-key = /etc/mysql/server-key.pem
+#
+# Accept only connections using the latest and most secure TLS protocol version.
+# ..when MariaDB is compiled with OpenSSL:
+#ssl-cipher = TLSv1.2
+# ..when MariaDB is compiled with YaSSL (default in Debian):
+#ssl = on
+
+#
+# * Character sets
+#
+# MySQL/MariaDB default is Latin1, but in Debian we rather default to the full
+# utf8 4-byte character set. See also client.cnf
+#
+character-set-server  = utf8mb4
+collation-server      = utf8mb4_general_ci
+
+#
+# * InnoDB
+#
+# InnoDB is enabled by default with a 10MB datafile in /var/lib/mysql/.
+# Read the manual for more InnoDB related options. There are many!
+
+#
+# * Unix socket authentication plugin is built-in since 10.0.22-6
+#
+# Needed so the root database user can authenticate without a password but
+# only when running as the unix root user.
+#
+# Also available for other users if required.
+# See https://mariadb.com/kb/en/unix_socket-authentication-plugin/
+
+# this is only for embedded server
+[embedded]
+
+# This group is only read by MariaDB servers, not by MySQL.
+# If you use the same .cnf file for MySQL and MariaDB,
+# you can put MariaDB-only options here
+[mariadb]
+
+# This group is only read by MariaDB-10.3 servers.
+# If you use the same .cnf file for MariaDB of different versions,
+# use this group for options that older servers don't understand
+[mariadb-10.3]

srcs/requirements/mariadb/conf/create_db.sql

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+USE mysql;
+
+CREATE DATABASE IF NOT EXISTS ${DB_NAME};
+CREATE USER IF NOT EXISTS '${DB_USER}'@'%' IDENTIFIED BY '${DB_PSWD}';
+GRANT ALL PRIVILEGES ON ${DB_NAME}.* TO '${DB_USER}'@'%' with grant option;

srcs/requirements/mariadb/conf/mariadb-server.cnf.alpine

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+# https://wiki.alpinelinux.org/wiki/MariaDB
+# inception modifications :
+#
+# [mysqld] :
+#	< socket=/run/mysqld/mysqld.sock
+#   >
+#
+# [mysqld] :
+#   < skip-networking = false
+#   > skip-networking
+#   ---
+#   < datadir = /var/lib/mysql
+#   >
+#   ---
+#   < port = 3306
+#   >
+#   ---
+#	< socket=/run/mysqld/mysqld.sock
+#   >
+
+#
+# These groups are read by MariaDB server.
+# Use it for options that only the server (but not clients) should see
+
+# this is read by the standalone daemon and embedded servers
+[server]
+socket=/run/mysqld/mysqld.sock
+
+# this is only for the mysqld standalone daemon
+[mysqld]
+skip-networking = false
+datadir = /var/lib/mysql
+port = 3306
+socket=/run/mysqld/mysqld.sock
+
+# sock was in : /run/mysqld/mysqld.sock
+# mariadb thought it was in : /var/lib/mysql/mysql.sock
+# so I made : ln -s /run/mysqld/mysqld.sock /var/lib/mysql/mysql.sock
+
+# Galera-related settings
+[galera]
+# Mandatory settings
+#wsrep_on=ON
+#wsrep_provider=
+#wsrep_cluster_address=
+#binlog_format=row
+#default_storage_engine=InnoDB
+#innodb_autoinc_lock_mode=2
+#
+# Allow server to accept connections on all interfaces.
+#
+#bind-address=0.0.0.0
+#
+# Optional setting
+#wsrep_slave_threads=1
+#innodb_flush_log_at_trx_commit=0
+
+# this is only for embedded server
+[embedded]
+
+# This group is only read by MariaDB servers, not by MySQL.
+# If you use the same .cnf file for MySQL and MariaDB,
+# you can put MariaDB-only options here
+[mariadb]
+
+# This group is only read by MariaDB-10.5 servers.
+# If you use the same .cnf file for MariaDB of different versions,
+# use this group for options that older servers don't understand
+[mariadb-10.5]
+