diff --git a/Dockerfile b/Dockerfile
index ae17398..b15ee3b 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,13 +1,28 @@
-FROM almalinux
+FROM almalinux:8
+MAINTAINER Roman Vanicek "roman.vanicek@ivasoft.cz"
+ARG BUILD_DATE
+ARG VCS_REF
+LABEL org.label-schema.build-date=$BUILD_DATE \
+    org.label-schema.license=GPL-3.0 \
+    org.label-schema.name=certmonger \
+    org.label-schema.vcs-ref=$VCS_REF
 
-RUN yum update \
- && yum -y install wget certmonger
+RUN dnf install -y wget certmonger
 
-COPY createCertChain.sh /createCertChain.sh
-COPY entrypoint.sh /entrypoint.sh
+COPY createCertChain.sh /
+COPY entrypoint.sh /
 
-RUN mkdir /var/run/dbus
+ENV CERTMONGER_PVT_ADDRESS=unix:path=/var/run/certmonger.sock \
+    SCEP_URL="http://example.org" \
+    CERT_NAME="cn=Server" \
+    CERT_KEY_BITS=2048 \
+    CERT_KEY_USAGE="-u digitalSignature -u keyEncipherment -u keyAgreement -U id-kp-serverAuth -U id-kp-clientAuth -U id-kp-EmailProtection" \
+    CERT_ALT_NAMES="-D Server.example.org -D Server" \
+    CONTAINER_KEY_FILE="/etc/pki/tls/private/cert.pem" \
+    CONTAINER_CERT_FILE="/etc/pki/tls/certs/cert.pem" \
+    CONTAINER_CA_FILE="/var/lib/samba/private/tls/ca.pem" \
+    CONTAINER_FULLCHAIN_FILE="/var/lib/samba/private/tls/full.pem"
 
 VOLUME /var/lib/certmonger
 
-ENTRYPOINT ["/entrypoint.sh"]
+ENTRYPOINT ["/entrypoint.sh"]
\ No newline at end of file