Dockerfile

@@ -12,15 +12,15 @@ ENV GO111MODULE=on
 RUN go mod tidy
 RUN CGO_ENABLED=0 GOOS=linux GO111MODULE=on go build -a -o /go/bin/dockerize .
 
-FROM alpine:3.20.3
+FROM alpine:3.21.0
 LABEL maintainer "Fco. Javier Delgado del Hoyo <frandelhoyo@gmail.com>"
 
 RUN apk add --update \
         tzdata \
         bash \
+        mysql-client \
         gzip \
         openssl \
-    mysql-client=~10.11 \
         mariadb-connector-c \
         fdupes && \
     rm -rf /var/cache/apk/*

backup.sh

@@ -29,13 +29,7 @@ do
     echo "==> Dumping database: $db"
     FILENAME=/backup/$DATE.$db.sql
     LATEST=/backup/latest.$db.sql
-    BASIC_OPTS="--single-transaction"
+    if mysqldump --single-transaction --skip-comments $MYSQLDUMP_OPTS -h "$MYSQL_HOST" -P "$MYSQL_PORT" -u "$MYSQL_USER" -p"$MYSQL_PASS" $MYSQL_SSL_OPTS "$db" > "$FILENAME"
-    if [ -n "$REMOVE_DUPLICATES" ]
-    then
-      echo "WARNING: disabling comments in backup to remove deuplicate backups. Automatic database name detection won't work so set MYSQL_DATABASE on restore"
-      BASIC_OPTS="$BASIC_OPTS" --skip-comments
-    fi
-    if mysqldump $BASIC_OPTS $MYSQLDUMP_OPTS -h "$MYSQL_HOST" -P "$MYSQL_PORT" -u "$MYSQL_USER" -p"$MYSQL_PASS" $MYSQL_SSL_OPTS "$db" > "$FILENAME"
     then
       EXT=
       if [ -z "${USE_PLAIN_SQL}" ]

docker-compose.yaml

@@ -1,9 +1,8 @@
+version: "2"
 services:
   mariadb:
-    image: mariadb:10.11
+    image: mariadb:10
     container_name: my_mariadb
-    security_opt:
-      - seccomp:unconfined
     expose:
       - 3306
     volumes:
@@ -15,7 +14,7 @@ services:
       - MYSQL_ALLOW_EMPTY_ROOT_PASSWORD=yes
     restart: unless-stopped
     healthcheck:
-      test: [ "CMD", "healthcheck.sh", "--su-mysql", "--connect" ]
+      test: ["CMD", "healthcheck.sh", "--su-mysql", "--connect"]
       timeout: 5s
       retries: 10
 
@@ -30,7 +29,6 @@ services:
     environment:
       - MYSQL_HOST=my_mariadb
       - MYSQL_USER=root
-      - MYSQL_DATABASE=${DATABASE_NAME}
       - MYSQL_PASS=${MARIADB_ROOT_PASSWORD}
       - MAX_BACKUPS=1
       - INIT_BACKUP=1