From 6dae22ad148886ed123d7a9769e5bd59e1a0bae0 Mon Sep 17 00:00:00 2001
From: Maksim Pischulenok <pischule@outlook.com>
Date: Sun, 12 Oct 2025 18:10:56 +0300
Subject: [PATCH] Improve Dockerfile

---
 Dockerfile | 19 ++++++++++++++-----
 1 file changed, 14 insertions(+), 5 deletions(-)

diff --git a/Dockerfile b/Dockerfile
index 1fbee56..13fe9a3 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,11 +1,20 @@
 FROM docker.io/eclipse-temurin:21
+
 RUN apt-get update \
     && apt-get install -y ffmpeg \
     && apt-get clean \
     && rm -rf /var/lib/apt/lists/*
-RUN groupadd -r spring && useradd --no-log-init -r -g spring spring
-USER spring:spring
+
+RUN groupadd --system app \
+    && useradd --no-log-init --system --shell /sbin/nologin --gid app app
+
+WORKDIR /app
+
 ARG JAR_FILE=build/libs/*.jar
-COPY ${JAR_FILE} app.jar
-COPY build/resources/main/static BOOT-INF/classes/static
-ENTRYPOINT ["java","-jar","/app.jar"]
\ No newline at end of file
+COPY --chown=app:app ${JAR_FILE} app.jar
+COPY --chown=app:app build/resources/main/static BOOT-INF/classes/static
+
+USER app:app
+
+ENTRYPOINT ["java","-jar","app.jar"]
+