db user restrict access to container

compose.yaml

@@ -1,6 +1,7 @@
 services:
   db:
     image: mariadb:lts
+    command: "--skip-name-resolve=OFF"
     restart: always
     healthcheck:
       test: ['CMD', 'healthcheck.sh', '--connect', '--innodb_initialized']
@@ -30,6 +31,7 @@ services:
     restart: always
     # Comment following line to use flask (1worker, dev), uncomment to use uwsgi (wsgi)
     #command: ["uwsgi", "--http", "0.0.0.0:8000", "--master", "-p", "4", "-w", "microblog:app"]
+    container_name: backend
     environment:
       - MYSQL_USER=flasku
       #- MYSQL_PASSWORD=flaskp
@@ -127,4 +129,6 @@ volumes:
 
 networks:
   backnet:
+    name: backnet
   frontnet:
+    name: frontnet

db/init/01-databases.sql

@@ -3,10 +3,10 @@ CREATE DATABASE IF NOT EXISTS `gitea`;
 CREATE DATABASE IF NOT EXISTS `flask`;
 
 -- create root user and grant rights
-CREATE USER 'gitea' IDENTIFIED BY 'giteap';
-CREATE USER 'flasku' IDENTIFIED BY 'flaskp';
+CREATE USER 'gitea'@'gitea.backnet' IDENTIFIED BY 'giteap';
+CREATE USER 'flasku'@'backend.backnet' IDENTIFIED BY 'flaskp';
 --CREATE USER 'gitea'@'localhost' IDENTIFIED BY 'gitea';
 --GRANT ALL ON `gitea` TO 'gitea'@'localhost';
-GRANT ALL ON gitea.* TO 'gitea';
-GRANT ALL ON flask.* TO 'flasku';
+GRANT ALL ON gitea.* TO 'gitea'@'gitea.backnet';
+GRANT ALL ON flask.* TO 'flasku'@'backend.backnet';
 

other/dbbu.sh

@@ -0,0 +1,16 @@
+#!/bin/bash
+# copy do db mount, use as helper
+
+if [[ -z $1 ]] ; then
+        echo "dbbu.sh <gitea|flask> <rootpass>"
+        exit 0
+fi
+
+if [[ $1 == "gitea" ]] ; then
+        mariadb-dump -uroot -p$2 gitea > gitea_bu_$(date +%s).sql
+fi
+
+if [[ $1 == "flask" ]] ; then
+        mariadb-dump -uroot -p$2 flask > flask_bu_$(date +%s).sql
+fi
+

other/sqlpass.sh

@@ -19,10 +19,10 @@ echo "Changing app db passwords in 5 seconds..."
 sleep 6
 
 # Flask
-docker-compose exec db mariadb --database=mysql -uroot -p$DOTENV_MYSQL_ROOT_PASSWORD_OLD -e "ALTER USER 'flasku' IDENTIFIED BY '"$DOTENV_MYSQL_FLASK_PASSWORD"';"
+docker-compose exec db mariadb --database=mysql -uroot -p$DOTENV_MYSQL_ROOT_PASSWORD_OLD -e "ALTER USER 'flasku'@'backend.backnet' IDENTIFIED BY '"$DOTENV_MYSQL_FLASK_PASSWORD"';"
 
 # Gitea
-docker-compose exec db mariadb --database=mysql -uroot -p$DOTENV_MYSQL_ROOT_PASSWORD_OLD -e "ALTER USER 'gitea' IDENTIFIED BY '"$DOTENV_MYSQL_GITEA_PASSWORD"';"
+docker-compose exec db mariadb --database=mysql -uroot -p$DOTENV_MYSQL_ROOT_PASSWORD_OLD -e "ALTER USER 'gitea'@'gitea.backnet' IDENTIFIED BY '"$DOTENV_MYSQL_GITEA_PASSWORD"';"
 
 
 docker-compose exec db mariadb --database=mysql -uroot -p$DOTENV_MYSQL_ROOT_PASSWORD_OLD -e "FLUSH PRIVILEGES;"

proxy/giteaconf

@@ -0,0 +1,17 @@
+server {
+
+    listen       80;
+    server_name  localhost;
+
+    location / {
+        client_max_body_size 512M;
+        #proxy_pass http://localhost:3000;
+        proxy_pass http://gitea:3000;
+        proxy_set_header Connection $http_connection;
+        proxy_set_header Upgrade $http_upgrade;
+        proxy_set_header Host $host;
+        proxy_set_header X-Real-IP $remote_addr;
+        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+        proxy_set_header X-Forwarded-Proto $scheme;
+    }
+}