diff --git a/fiji-openjdk-6/Dockerfile b/fiji-openjdk-6/Dockerfile
index 7c57832..1c24986 100644
--- a/fiji-openjdk-6/Dockerfile
+++ b/fiji-openjdk-6/Dockerfile
@@ -13,7 +13,7 @@ WORKDIR /fiji
 
 # Install Fiji.
 RUN \
-      curl -O http://update.imagej.net/bootstrap.js && \
+      curl -O https://update.imagej.net/bootstrap.js && \
       jrunscript bootstrap.js update-force-pristine
 
 # Add fiji to the PATH
diff --git a/fiji-openjdk-7/Dockerfile b/fiji-openjdk-7/Dockerfile
index 9484cf8..8ef4fd3 100644
--- a/fiji-openjdk-7/Dockerfile
+++ b/fiji-openjdk-7/Dockerfile
@@ -3,7 +3,7 @@
 #
 
 # Pull base JDK-7 image.
-FROM dockerfile/java:openjdk-7-jdk
+FROM openjdk:7
 
 # Define maintainer.
 MAINTAINER Mark Hiner <hinerm@gmail.com>
@@ -13,7 +13,7 @@ WORKDIR /fiji
 
 # Install Fiji.
 RUN \
-      curl -O http://update.imagej.net/bootstrap.js && \
+      curl -O https://update.imagej.net/bootstrap.js && \
       jrunscript bootstrap.js update-force-pristine
 
 # Add fiji to the PATH
diff --git a/fiji-openjdk-8/Dockerfile b/fiji-openjdk-8/Dockerfile
index 7864649..f5a0779 100644
--- a/fiji-openjdk-8/Dockerfile
+++ b/fiji-openjdk-8/Dockerfile
@@ -2,8 +2,8 @@
 # Fiji + Java 8 Dockerfile
 #
 
-# Pull base JDK-6 image.
-FROM java:8-jdk
+# Pull base JDK-8 image.
+FROM openjdk:8
 
 # Define maintainer.
 MAINTAINER Mark Hiner <hinerm@gmail.com>
@@ -13,7 +13,7 @@ WORKDIR /fiji
 
 # Install Fiji.
 RUN \
-      curl -O http://update.imagej.net/bootstrap.js && \
+      curl -O https://update.imagej.net/bootstrap.js && \
       jrunscript bootstrap.js update-force-pristine
 
 # Add fiji to the PATH
diff --git a/fiji-oracle-jdk6/Dockerfile b/fiji-oracle-jdk6/Dockerfile
index 7d2c289..8eb601b 100644
--- a/fiji-oracle-jdk6/Dockerfile
+++ b/fiji-oracle-jdk6/Dockerfile
@@ -13,7 +13,7 @@ WORKDIR /fiji
 
 # Install Fiji.
 RUN \
-      curl -O http://update.imagej.net/bootstrap.js && \
+      curl -O https://update.imagej.net/bootstrap.js && \
       jrunscript bootstrap.js update-force-pristine
 
 # Add fiji to the PATH
diff --git a/fiji-oracle-jdk7/Dockerfile b/fiji-oracle-jdk7/Dockerfile
index 32d83ca..7b27138 100644
--- a/fiji-oracle-jdk7/Dockerfile
+++ b/fiji-oracle-jdk7/Dockerfile
@@ -13,7 +13,7 @@ WORKDIR /fiji
 
 # Install Fiji.
 RUN \
-      curl -O http://update.imagej.net/bootstrap.js && \
+      curl -O https://update.imagej.net/bootstrap.js && \
       jrunscript bootstrap.js update-force-pristine
 
 # Add fiji to the PATH
diff --git a/fiji-oracle-jdk8-arm32v7/Dockerfile b/fiji-oracle-jdk8-arm32v7/Dockerfile
new file mode 100644
index 0000000..8717b38
--- /dev/null
+++ b/fiji-oracle-jdk8-arm32v7/Dockerfile
@@ -0,0 +1,41 @@
+# Fiji & Oracle Java 8 Dockerfile for ARM32v7
+#
+# Derived from https://github.com/dockerfile/java/tree/master/oracle-java8
+#
+
+# Pull base ubuntu image
+FROM arm32v7/ubuntu
+
+# Define maintainer.
+MAINTAINER Mark Hiner <hinerm@gmail.com>
+
+# Install Oracle Java 8
+RUN apt-get -y update \
+&& apt-get -y install software-properties-common \
+&& echo oracle-java8-installer shared/accepted-oracle-license-v1-1 select true | debconf-set-selections \
+&& add-apt-repository -y ppa:webupd8team/java \
+&& apt-get -y update \
+&& apt-get -y install oracle-java8-installer \
+&& rm -rf /var/lib/apt/lists/* \
+&& rm -rf /var/cache/oracle-jdk8-installer
+
+# Define commonly used JAVA_HOME variable
+ENV JAVA_HOME /usr/lib/jvm/java-8-oracle
+
+# Define working directory.
+WORKDIR /fiji
+
+# Install Fiji.
+RUN apt-get -y update \
+&& apt-get install -y wget \
+&& apt-get install -y unzip \
+&& wget https://downloads.imagej.net/fiji/latest/fiji-nojre.zip \
+&& unzip fiji-nojre.zip \
+&& wget -P ./Fiji.app https://raw.githubusercontent.com/imagej/imagej/master/bin/ImageJ.sh \
+&& chmod u+x ./Fiji.app/ImageJ.sh
+
+# Add fiji to the PATH
+ENV PATH $PATH:/fiji/Fiji.app
+
+# Define default command.
+CMD ImageJ.sh --headless