diff --git a/Dockerfile b/Dockerfile
index 0703958..791361b 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,11 +1,21 @@
 FROM python:3.14-alpine
-ENV PYTHONDONTWRITEBYTECODE=1 PYTHONUNBUFFERED=1
+
+ENV PYTHONDONTWRITEBYTECODE=1 \
+    PYTHONUNBUFFERED=1
+
 WORKDIR /app
-RUN apt-get update && apt-get install -y --no-install-recommends curl && rm -rf /var/lib/apt/lists/*
+
 COPY requirements.txt .
 RUN pip install --no-cache-dir -r requirements.txt
+
 COPY . .
+
 RUN mkdir -p /data
+
 EXPOSE 8000
-HEALTHCHECK --interval=30s --timeout=5s --retries=3 CMD sh -c 'curl -f http://localhost:${APP_PORT:-8000}/health || exit 1'
+
+HEALTHCHECK --interval=30s --timeout=5s --retries=3 \
+    CMD sh -c 'curl -f http://localhost:${APP_PORT:-8000}/health || exit 1'
+
 CMD ["sh", "-c", "gunicorn --worker-class gthread --workers ${GUNICORN_WORKERS:-1} --threads ${GUNICORN_THREADS:-8} --timeout ${GUNICORN_TIMEOUT:-0} --bind 0.0.0.0:${APP_PORT:-8000} wsgi:app"]
+
diff --git a/docker-compose.yml b/docker-compose.yml
index 3fab211..ac11ca9 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -1,12 +1,26 @@
 services:
   web:
-    build: .
+    build:
+      context: .
     env_file:
       - .env
     ports:
       - "${APP_HOST_PORT:-8000}:${APP_PORT:-8000}"
     restart: unless-stopped
+    init: true
+    stop_grace_period: 30s
     volumes:
-      - .:/app
       - ./instance:/app/instance
-      - ./data:/app/data
\ No newline at end of file
+    healthcheck:
+      test:
+        - CMD-SHELL
+        - >
+          python -c "import os, urllib.request;
+          urllib.request.urlopen(
+          'http://127.0.0.1:' + os.getenv('APP_PORT', '8000') + '/health',
+          timeout=5)"
+      interval: 30s
+      timeout: 6s
+      retries: 3
+      start_period: 20s
+
diff --git a/requirements.txt b/requirements.txt
index be34a03..d6e2f0f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,9 +1,9 @@
-Flask==3.1.1
-Flask-SQLAlchemy==3.1.1
-Flask-Login==0.6.3
-Flask-SocketIO==5.5.1
-simple-websocket==1.1.0
-requests==2.32.4
-gunicorn==23.0.0
-pytest==8.4.1
+Flask>=3.1.1
+Flask-SQLAlchemy>=3.1.1
+Flask-Login>=0.6.3
+Flask-SocketIO>=5.5.1
+simple-websocket>=1.1.0
+requests>=2.32.4
+gunicorn>=23.0.0
+pytest>=8.4.1