diff --git a/activemq.sh b/activemq.sh
index 837ffd9..d14f265 100755
--- a/activemq.sh
+++ b/activemq.sh
@@ -2,6 +2,9 @@
 
 SOURCE_DIR=$(realpath $(dirname "${0}"))/activemq
 
+# Check prerequisites
+docker image ls | grep -q java || $(realpath $(dirname "${0}"))/java.sh
+
 # Build Docker container
 docker build -t activemq ${SOURCE_DIR}
 
diff --git a/activemq/Dockerfile b/activemq/Dockerfile
index 139b173..38ed240 100644
--- a/activemq/Dockerfile
+++ b/activemq/Dockerfile
@@ -1,15 +1,6 @@
-FROM alpine:3.7
+FROM java
 MAINTAINER Disassembler <disassembler@dasm.cz>
 
-RUN \
- # Install Java 1.8 JRE 
- apk --no-cache add openjdk8-jre-base paxctl \
- # Fix grsec attributes to loosen memory protection restrictions
- && paxctl -cm /usr/lib/jvm/java-1.8-openjdk/jre/bin/java \
- && paxctl -cm /usr/lib/jvm/java-1.8-openjdk/bin/java \
- # Cleanup
- && apk --no-cache del paxctl
-
 RUN \
  # Download and install ActiveMQ
  wget http://archive.apache.org/dist/activemq/5.15.2/apache-activemq-5.15.2-bin.tar.gz -O /tmp/activemq.tgz \
diff --git a/java.sh b/java.sh
new file mode 100755
index 0000000..75febc3
--- /dev/null
+++ b/java.sh
@@ -0,0 +1,6 @@
+#!/bin/sh
+
+SOURCE_DIR=$(realpath $(dirname "${0}"))/java
+
+# Build Docker container
+docker build -t java ${SOURCE_DIR}
diff --git a/java/Dockerfile b/java/Dockerfile
new file mode 100644
index 0000000..12d91a8
--- /dev/null
+++ b/java/Dockerfile
@@ -0,0 +1,13 @@
+FROM alpine:3.7
+MAINTAINER Disassembler <disassembler@dasm.cz>
+
+RUN \
+ # Install Java 1.8 JRE
+ apk --no-cache add openjdk8-jre-base paxctl \
+ # Fix grsec attributes to loosen memory protection restrictions
+ && paxctl -cm /usr/lib/jvm/java-1.8-openjdk/bin/java \
+ && paxctl -cm /usr/lib/jvm/java-1.8-openjdk/bin/keytool \
+ && paxctl -cm /usr/lib/jvm/java-1.8-openjdk/jre/bin/java \
+ && paxctl -cm /usr/lib/jvm/java-1.8-openjdk/jre/bin/keytool \
+ # Cleanup
+ && apk --no-cache del paxctl
diff --git a/omk.sh b/omk.sh
index 00567dd..3e68e71 100755
--- a/omk.sh
+++ b/omk.sh
@@ -2,6 +2,9 @@
 
 SOURCE_DIR=$(realpath $(dirname "${0}"))/omk
 
+# Check prerequisites
+docker image ls | grep -q java || $(realpath $(dirname "${0}"))/java.sh
+
 # Build Docker container
 docker build -t omk ${SOURCE_DIR}
 
diff --git a/omk/Dockerfile b/omk/Dockerfile
index 6e2f9ce..abef4a1 100644
--- a/omk/Dockerfile
+++ b/omk/Dockerfile
@@ -1,15 +1,6 @@
-FROM alpine:3.7
+FROM java
 MAINTAINER Disassembler <disassembler@dasm.cz>
 
-RUN \
- # Install Java 1.8 JRE 
- apk --no-cache add openjdk8-jre-base paxctl \
- # Fix grsec attributes to loosen memory protection restrictions
- && paxctl -cm /usr/lib/jvm/java-1.8-openjdk/jre/bin/java \
- && paxctl -cm /usr/lib/jvm/java-1.8-openjdk/bin/java \
- # Cleanup
- && apk --no-cache del paxctl
-
 RUN \
  # Install NodeJS runtime
  apk --no-cache add nodejs paxctl \
diff --git a/solr.sh b/solr.sh
index c3b58f0..52b62e3 100755
--- a/solr.sh
+++ b/solr.sh
@@ -2,6 +2,9 @@
 
 SOURCE_DIR=$(realpath $(dirname "${0}"))/solr
 
+# Check prerequisites
+docker image ls | grep -q java || $(realpath $(dirname "${0}"))/java.sh
+
 # Build Docker container
 docker build -t solr ${SOURCE_DIR}
 
diff --git a/solr/Dockerfile b/solr/Dockerfile
index 379325d..95874e3 100644
--- a/solr/Dockerfile
+++ b/solr/Dockerfile
@@ -1,15 +1,6 @@
-FROM alpine:3.7
+FROM java
 MAINTAINER Disassembler <disassembler@dasm.cz>
 
-RUN \
- # Install Java 1.8 JRE 
- apk --no-cache add openjdk8-jre-base paxctl \
- # Fix grsec attributes to loosen memory protection restrictions
- && paxctl -cm /usr/lib/jvm/java-1.8-openjdk/jre/bin/java \
- && paxctl -cm /usr/lib/jvm/java-1.8-openjdk/bin/java \
- # Cleanup
- && apk --no-cache del paxctl
-
 RUN \
  # Install runtime dependencies
  apk --no-cache add bash lsof
diff --git a/tomcat.sh b/tomcat.sh
index 5583801..1cd739b 100755
--- a/tomcat.sh
+++ b/tomcat.sh
@@ -2,5 +2,8 @@
 
 SOURCE_DIR=$(realpath $(dirname "${0}"))/tomcat
 
+# Check prerequisites
+docker image ls | grep -q java || $(realpath $(dirname "${0}"))/java.sh
+
 # Build Docker container
 docker build -t tomcat ${SOURCE_DIR}
diff --git a/tomcat/Dockerfile b/tomcat/Dockerfile
index b570f57..15a0cc7 100644
--- a/tomcat/Dockerfile
+++ b/tomcat/Dockerfile
@@ -1,17 +1,6 @@
-FROM alpine:3.7
+FROM java
 MAINTAINER Disassembler <disassembler@dasm.cz>
 
-RUN \
- # Install Java 1.8 JRE
- apk --no-cache add openjdk8-jre-base paxctl \
- # Fix grsec attributes to loosen memory protection restrictions
- && paxctl -cm /usr/lib/jvm/java-1.8-openjdk/bin/java \
- && paxctl -cm /usr/lib/jvm/java-1.8-openjdk/bin/keytool \
- && paxctl -cm /usr/lib/jvm/java-1.8-openjdk/jre/bin/java \
- && paxctl -cm /usr/lib/jvm/java-1.8-openjdk/jre/bin/keytool \
- # Cleanup
- && apk --no-cache del paxctl
-
 RUN \
  # Install Tomcat 8
  wget http://mirror.hosting90.cz/apache/tomcat/tomcat-8/v8.0.50/bin/apache-tomcat-8.0.50.tar.gz -O /tmp/apache-tomcat-8.tgz \