diff --git a/Dockerfile b/Dockerfile
index 344b2ad..a5e81dd 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,17 +1,12 @@
 FROM nginx:stable
 
-VOLUME /pictures
-
 WORKDIR /opt
 
 RUN apt-get update && apt-get install -y \
-    python-dev \
-    python-pip \
-    zlib1g-dev \
-    libjpeg-dev \
-    libfreetype6-dev \
- && rm -rf /var/lib/apt/lists/*
-RUN pip install sigal
+    python3-pip \
+    && rm -rf /var/lib/apt/lists/*
+
+RUN pip3 install sigal
 
 COPY run.sh sigal.conf.py auth.conf auth.htpasswd ./
 
diff --git a/run.sh b/run.sh
index c1d44e0..49c4612 100755
--- a/run.sh
+++ b/run.sh
@@ -7,5 +7,5 @@ if [[ $HTPASSWD ]]
 fi
 
 sigal build
-nginx -g "daemon off;"
+exec nginx -g "daemon off;"