diff --git a/.env b/.env
new file mode 100644
index 0000000..1133522
--- /dev/null
+++ b/.env
@@ -0,0 +1,10 @@
+POSTGRES_DB=no_copy_db
+POSTGRES_USER=postgres
+POSTGRES_PASSWORD=postgres
+POSTGRES_PORT=5432
+POSTGRES_HOST=postgres
+
+REDIS_HOST=redis
+REDIS_PORT=6379
+
+SERVER_PORT=8080
diff --git a/Dockerfile b/Dockerfile
index e8b06f0..8242e14 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,18 +1,17 @@
-FROM mcr.microsoft.com/openjdk/jdk:17.0.13-ubuntu
+FROM gradle:8.14.2-jdk21 AS build
 
 WORKDIR /app
 
-COPY build/libs/app.jar /app/app.jar
+COPY . .
 
-ENV SERVER_PORT=8080
-ENV DB_HOST=mysql
-ENV DB_PORT=3306
-ENV DB_NAME=no-copy-db
-ENV DB_USERNAME=mysql_user
-ENV DB_PASSWORD=mysql_pass
-ENV REDIS_HOST=redis
-ENV REDIS_PORT=6379
+RUN gradle --no-daemon clean build -x test
+
+FROM eclipse-temurin:21-jre
+
+WORKDIR /app
+
+COPY --from=build /app/build/libs/*.jar app.jar
 
 EXPOSE 8080
 
-ENTRYPOINT ["java", "-jar", "/app/app.jar"]
+CMD ["java", "-jar", "app.jar"]
diff --git a/build.gradle b/build.gradle
index 6af1b68..4e63b11 100644
--- a/build.gradle
+++ b/build.gradle
@@ -1,12 +1,11 @@
 plugins {
 	id 'java'
-	id 'org.springframework.boot' version '4.0.0'
+	id 'org.springframework.boot' version '3.5.6'
 	id 'io.spring.dependency-management' version '1.1.7'
 }
 
 group = 'ru.soune'
 version = '0.0.1-SNAPSHOT'
-description = 'Demo project for Spring Boot'
 
 java {
 	toolchain {
@@ -27,16 +26,16 @@ repositories {
 dependencies {
 	implementation 'org.springframework.boot:spring-boot-starter-data-jpa'
 	implementation 'org.springframework.boot:spring-boot-starter-validation'
-	implementation 'org.springframework.boot:spring-boot-starter-webmvc'
+	implementation 'org.springframework.boot:spring-boot-starter-web'
 	implementation 'org.springframework.security:spring-security-crypto:6.5.3'
 	compileOnly 'org.projectlombok:lombok'
 	developmentOnly 'org.springframework.boot:spring-boot-devtools'
 	runtimeOnly 'com.microsoft.sqlserver:mssql-jdbc'
 	runtimeOnly 'com.mysql:mysql-connector-j'
+	runtimeOnly 'org.postgresql:postgresql'
 	annotationProcessor 'org.projectlombok:lombok'
-	testImplementation 'org.springframework.boot:spring-boot-starter-data-jpa-test'
-	testImplementation 'org.springframework.boot:spring-boot-starter-validation-test'
-	testImplementation 'org.springframework.boot:spring-boot-starter-webmvc-test'
+	testImplementation 'org.springframework.boot:spring-boot-starter-test'
+	testImplementation 'org.mockito:mockito-core:5.3.1'
 	testRuntimeOnly 'org.junit.platform:junit-platform-launcher'
 }
 
diff --git a/docker-compose.yaml b/docker-compose.yaml
index c875d80..69f9587 100644
--- a/docker-compose.yaml
+++ b/docker-compose.yaml
@@ -1,52 +1,41 @@
-version: "3.8"
+version: '3.9'
 
 services:
-  mysql:
-    image: mysql:8.1
-    container_name: no-copy-mysql-db
+  db:
+    image: postgres:17
+    restart: always
     environment:
-      MYSQL_ROOT_PASSWORD: root_pass
-      MYSQL_DATABASE: no-copy-db
-      MYSQL_USER: mysql_user
-      MYSQL_PASSWORD: mysql_pass
+      POSTGRES_DB: no_copy_db
+      POSTGRES_USER: postgres
+      POSTGRES_PASSWORD: postgres
+      POSTGRES_PORT: 5432
+      POSTGRES_HOST: postgres
+      PGDATA: /data/postgres
     ports:
-      - "3306:3306"
+      - "5432:5432"
     volumes:
-      - mysql_data:/var/lib/mysql
-    networks:
-      - app-network
-    command: --default-authentication-plugin=mysql_native_password
+      - pgdata:/var/lib/postgresql/data
+    healthcheck:
+      test: [ "CMD-SHELL", "pg_isready -U postgres -p 5432" ]
+      interval: 10s
+      timeout: 5s
+      retries: 20
+    container_name: postgres
 
-  redis:
-    image: redis:7
-    container_name: no-copy-redis
-    ports:
-      - "6379:6379"
-    networks:
-      - app-network
-
-  no-copy:
+  app:
     build: .
-    container_name: no-copy-service
+    container_name: no_copy_app
+    environment:
+      POSTGRES_DB: no_copy_db
+      POSTGRES_USER: postgres
+      POSTGRES_PASSWORD: postgres
+      POSTGRES_PORT: 5432
+      POSTGRES_HOST: postgres
+    depends_on:
+      db:
+        condition: service_healthy
     ports:
       - "8080:8080"
-    environment:
-      DB_HOST: mysql
-      DB_PORT: 3306
-      DB_NAME: no-copy-db
-      DB_USERNAME: mysql_user
-      DB_PASSWORD: mysql_pass
-      SERVER_PORT: 8080
-      REDIS_HOST: redis
-      REDIS_PORT: 6379
-    depends_on:
-      - mysql
-      - redis
-    networks:
-      - app-network
 
 volumes:
-  mysql_data:
-
-networks:
-  app-network:
+  pgdata:
diff --git a/src/main/java/ru/soune/no_copy/controller/AuthController.java b/src/main/java/ru/soune/no_copy/controller/AuthController.java
index 143659f..c88cfb6 100644
--- a/src/main/java/ru/soune/no_copy/controller/AuthController.java
+++ b/src/main/java/ru/soune/no_copy/controller/AuthController.java
@@ -13,7 +13,7 @@ import ru.soune.no_copy.entity.AuthToken;
 import ru.soune.no_copy.service.AuthService;
 
 @RestController
-@RequestMapping("/v1/api/auth")
+@RequestMapping("/api/auth")
 @RequiredArgsConstructor
 public class AuthController {
 
diff --git a/src/main/java/ru/soune/no_copy/handler/GlobalExceptionHandler.java b/src/main/java/ru/soune/no_copy/handler/GlobalExceptionHandler.java
index 0380ccc..daa36ee 100644
--- a/src/main/java/ru/soune/no_copy/handler/GlobalExceptionHandler.java
+++ b/src/main/java/ru/soune/no_copy/handler/GlobalExceptionHandler.java
@@ -1,7 +1,6 @@
 package ru.soune.no_copy.handler;
 
 import lombok.AllArgsConstructor;
-import org.springframework.context.MessageSource;
 import org.springframework.context.support.DefaultMessageSourceResolvable;
 import org.springframework.http.HttpStatus;
 import org.springframework.http.ResponseEntity;
diff --git a/src/main/java/ru/soune/no_copy/service/AuthService.java b/src/main/java/ru/soune/no_copy/service/AuthService.java
index 968a777..431be40 100644
--- a/src/main/java/ru/soune/no_copy/service/AuthService.java
+++ b/src/main/java/ru/soune/no_copy/service/AuthService.java
@@ -13,7 +13,6 @@ import ru.soune.no_copy.repository.AuthTokenRepository;
 import ru.soune.no_copy.repository.UserRepository;
 
 import java.security.SecureRandom;
-import java.time.LocalDateTime;
 import java.util.HexFormat;
 import java.util.Locale;
 
diff --git a/src/main/resources/application.yaml b/src/main/resources/application.yaml
index bb04d87..2b84ef5 100644
--- a/src/main/resources/application.yaml
+++ b/src/main/resources/application.yaml
@@ -1,9 +1,9 @@
 spring:
   datasource:
-    driver-class-name: com.mysql.cj.jdbc.Driver
-    url: jdbc:mysql://${DB_HOST:localhost}:${DB_PORT:3306}/${DB_NAME:no-copy-db}?useSSL=false&allowPublicKeyRetrieval=true&serverTimezone=UTC
-    username: ${DB_USERNAME:mysql_user}
-    password: ${DB_PASSWORD:mysql_pass}
+    url: jdbc:postgresql://${POSTGRES_HOST}:${POSTGRES_PORT}/${POSTGRES_DB}
+    username: ${POSTGRES_USER}
+    password: ${POSTGRES_PASSWORD}
+    driver-class-name: org.postgresql.Driver
 
   jpa:
     hibernate:
diff --git a/src/test/java/ru/soune/no_copy/NoCopyApplicationTests.java b/src/test/java/ru/soune/no_copy/NoCopyApplicationTests.java
deleted file mode 100644
index 0fe0bc6..0000000
--- a/src/test/java/ru/soune/no_copy/NoCopyApplicationTests.java
+++ /dev/null
@@ -1,13 +0,0 @@
-package ru.soune.no_copy;
-
-import org.junit.jupiter.api.Test;
-import org.springframework.boot.test.context.SpringBootTest;
-
-@SpringBootTest
-class NoCopyApplicationTests {
-
-	@Test
-	void contextLoads() {
-	}
-
-}
diff --git a/src/test/java/ru/soune/no_copy/service/AuthTestService.java b/src/test/java/ru/soune/no_copy/service/AuthServiceTest.java
similarity index 98%
rename from src/test/java/ru/soune/no_copy/service/AuthTestService.java
rename to src/test/java/ru/soune/no_copy/service/AuthServiceTest.java
index e5109c4..995af88 100644
--- a/src/test/java/ru/soune/no_copy/service/AuthTestService.java
+++ b/src/test/java/ru/soune/no_copy/service/AuthServiceTest.java
@@ -21,7 +21,7 @@ import static org.mockito.ArgumentMatchers.any;
 import static org.mockito.ArgumentMatchers.anyString;
 import static org.mockito.Mockito.when;
 
-public class AuthTestService {
+public class AuthServiceTest {
 
     @Mock
     private UserRepository userRepository;
diff --git a/wait-for-it.sh b/wait-for-it.sh
new file mode 100644
index 0000000..d990e0d
--- /dev/null
+++ b/wait-for-it.sh
@@ -0,0 +1,182 @@
+#!/usr/bin/env bash
+# Use this script to test if a given TCP host/port are available
+
+WAITFORIT_cmdname=${0##*/}
+
+echoerr() { if [[ $WAITFORIT_QUIET -ne 1 ]]; then echo "$@" 1>&2; fi }
+
+usage()
+{
+    cat << USAGE >&2
+Usage:
+    $WAITFORIT_cmdname host:port [-s] [-t timeout] [-- command args]
+    -h HOST | --host=HOST       Host or IP under test
+    -p PORT | --port=PORT       TCP port under test
+                                Alternatively, you specify the host and port as host:port
+    -s | --strict               Only execute subcommand if the test succeeds
+    -q | --quiet                Don't output any status messages
+    -t TIMEOUT | --timeout=TIMEOUT
+                                Timeout in seconds, zero for no timeout
+    -- COMMAND ARGS             Execute command with args after the test finishes
+USAGE
+    exit 1
+}
+
+wait_for()
+{
+    if [[ $WAITFORIT_TIMEOUT -gt 0 ]]; then
+        echoerr "$WAITFORIT_cmdname: waiting $WAITFORIT_TIMEOUT seconds for $WAITFORIT_HOST:$WAITFORIT_PORT"
+    else
+        echoerr "$WAITFORIT_cmdname: waiting for $WAITFORIT_HOST:$WAITFORIT_PORT without a timeout"
+    fi
+    WAITFORIT_start_ts=$(date +%s)
+    while :
+    do
+        if [[ $WAITFORIT_ISBUSY -eq 1 ]]; then
+            nc -z $WAITFORIT_HOST $WAITFORIT_PORT
+            WAITFORIT_result=$?
+        else
+            (echo -n > /dev/tcp/$WAITFORIT_HOST/$WAITFORIT_PORT) >/dev/null 2>&1
+            WAITFORIT_result=$?
+        fi
+        if [[ $WAITFORIT_result -eq 0 ]]; then
+            WAITFORIT_end_ts=$(date +%s)
+            echoerr "$WAITFORIT_cmdname: $WAITFORIT_HOST:$WAITFORIT_PORT is available after $((WAITFORIT_end_ts - WAITFORIT_start_ts)) seconds"
+            break
+        fi
+        sleep 1
+    done
+    return $WAITFORIT_result
+}
+
+wait_for_wrapper()
+{
+    # In order to support SIGINT during timeout: http://unix.stackexchange.com/a/57692
+    if [[ $WAITFORIT_QUIET -eq 1 ]]; then
+        timeout $WAITFORIT_BUSYTIMEFLAG $WAITFORIT_TIMEOUT $0 --quiet --child --host=$WAITFORIT_HOST --port=$WAITFORIT_PORT --timeout=$WAITFORIT_TIMEOUT &
+    else
+        timeout $WAITFORIT_BUSYTIMEFLAG $WAITFORIT_TIMEOUT $0 --child --host=$WAITFORIT_HOST --port=$WAITFORIT_PORT --timeout=$WAITFORIT_TIMEOUT &
+    fi
+    WAITFORIT_PID=$!
+    trap "kill -INT -$WAITFORIT_PID" INT
+    wait $WAITFORIT_PID
+    WAITFORIT_RESULT=$?
+    if [[ $WAITFORIT_RESULT -ne 0 ]]; then
+        echoerr "$WAITFORIT_cmdname: timeout occurred after waiting $WAITFORIT_TIMEOUT seconds for $WAITFORIT_HOST:$WAITFORIT_PORT"
+    fi
+    return $WAITFORIT_RESULT
+}
+
+# process arguments
+while [[ $# -gt 0 ]]
+do
+    case "$1" in
+        *:* )
+        WAITFORIT_hostport=(${1//:/ })
+        WAITFORIT_HOST=${WAITFORIT_hostport[0]}
+        WAITFORIT_PORT=${WAITFORIT_hostport[1]}
+        shift 1
+        ;;
+        --child)
+        WAITFORIT_CHILD=1
+        shift 1
+        ;;
+        -q | --quiet)
+        WAITFORIT_QUIET=1
+        shift 1
+        ;;
+        -s | --strict)
+        WAITFORIT_STRICT=1
+        shift 1
+        ;;
+        -h)
+        WAITFORIT_HOST="$2"
+        if [[ $WAITFORIT_HOST == "" ]]; then break; fi
+        shift 2
+        ;;
+        --host=*)
+        WAITFORIT_HOST="${1#*=}"
+        shift 1
+        ;;
+        -p)
+        WAITFORIT_PORT="$2"
+        if [[ $WAITFORIT_PORT == "" ]]; then break; fi
+        shift 2
+        ;;
+        --port=*)
+        WAITFORIT_PORT="${1#*=}"
+        shift 1
+        ;;
+        -t)
+        WAITFORIT_TIMEOUT="$2"
+        if [[ $WAITFORIT_TIMEOUT == "" ]]; then break; fi
+        shift 2
+        ;;
+        --timeout=*)
+        WAITFORIT_TIMEOUT="${1#*=}"
+        shift 1
+        ;;
+        --)
+        shift
+        WAITFORIT_CLI=("$@")
+        break
+        ;;
+        --help)
+        usage
+        ;;
+        *)
+        echoerr "Unknown argument: $1"
+        usage
+        ;;
+    esac
+done
+
+if [[ "$WAITFORIT_HOST" == "" || "$WAITFORIT_PORT" == "" ]]; then
+    echoerr "Error: you need to provide a host and port to test."
+    usage
+fi
+
+WAITFORIT_TIMEOUT=${WAITFORIT_TIMEOUT:-15}
+WAITFORIT_STRICT=${WAITFORIT_STRICT:-0}
+WAITFORIT_CHILD=${WAITFORIT_CHILD:-0}
+WAITFORIT_QUIET=${WAITFORIT_QUIET:-0}
+
+# Check to see if timeout is from busybox?
+WAITFORIT_TIMEOUT_PATH=$(type -p timeout)
+WAITFORIT_TIMEOUT_PATH=$(realpath $WAITFORIT_TIMEOUT_PATH 2>/dev/null || readlink -f $WAITFORIT_TIMEOUT_PATH)
+
+WAITFORIT_BUSYTIMEFLAG=""
+if [[ $WAITFORIT_TIMEOUT_PATH =~ "busybox" ]]; then
+    WAITFORIT_ISBUSY=1
+    # Check if busybox timeout uses -t flag
+    # (recent Alpine versions don't support -t anymore)
+    if timeout &>/dev/stdout | grep -q -e '-t '; then
+        WAITFORIT_BUSYTIMEFLAG="-t"
+    fi
+else
+    WAITFORIT_ISBUSY=0
+fi
+
+if [[ $WAITFORIT_CHILD -gt 0 ]]; then
+    wait_for
+    WAITFORIT_RESULT=$?
+    exit $WAITFORIT_RESULT
+else
+    if [[ $WAITFORIT_TIMEOUT -gt 0 ]]; then
+        wait_for_wrapper
+        WAITFORIT_RESULT=$?
+    else
+        wait_for
+        WAITFORIT_RESULT=$?
+    fi
+fi
+
+if [[ $WAITFORIT_CLI != "" ]]; then
+    if [[ $WAITFORIT_RESULT -ne 0 && $WAITFORIT_STRICT -eq 1 ]]; then
+        echoerr "$WAITFORIT_cmdname: strict mode, refusing to execute subprocess"
+        exit $WAITFORIT_RESULT
+    fi
+    exec "${WAITFORIT_CLI[@]}"
+else
+    exit $WAITFORIT_RESULT
+fi