diff --git a/Dockerfile b/Dockerfile
deleted file mode 100644
index 7256bcc2..00000000
--- a/Dockerfile
+++ /dev/null
@@ -1,66 +0,0 @@
-FROM centos:centos7 AS base-dependencies
-LABEL author="James Cherry"
-LABEL maintainer="James Cherry <cherry@parallaxsw.com>"
-
-# Install dev and runtime dependencies
-RUN yum group install -y "Development Tools" \
-    && yum install -y https://repo.ius.io/ius-release-el7.rpm \
-    && yum install -y centos-release-scl \
-    && yum install -y wget devtoolset-8 \
-    && yum install -y qt5-qtbase-devel \
-    devtoolset-8-libatomic-devel tcl-devel tcl tk libstdc++ tk-devel pcre-devel \
-    python36u python36u-libs python36u-devel python36u-pip && \
-    yum clean -y all && \
-    rm -rf /var/lib/apt/lists/*
-
-ENV CC=/opt/rh/devtoolset-8/root/usr/bin/gcc \
-    CPP=/opt/rh/devtoolset-8/root/usr/bin/cpp \
-    CXX=/opt/rh/devtoolset-8/root/usr/bin/g++ \
-    PATH=/opt/rh/devtoolset-8/root/usr/bin:$PATH \
-    LD_LIBRARY_PATH=/opt/rh/devtoolset-8/root/usr/lib64:/opt/rh/devtoolset-8/root/usr/lib:/opt/rh/devtoolset-8/root/usr/lib64/dyninst:/opt/rh/devtoolset-8/root/usr/lib/dyninst:/opt/rh/devtoolset-8/root/usr/lib64:/opt/rh/devtoolset-8/root/usr/lib:$LD_LIBRARY_PATH
-
-# Install CMake
-RUN wget https://cmake.org/files/v3.14/cmake-3.14.0-Linux-x86_64.sh && \
-    chmod +x cmake-3.14.0-Linux-x86_64.sh  && \
-    ./cmake-3.14.0-Linux-x86_64.sh --skip-license --prefix=/usr/local && rm -rf cmake-3.14.0-Linux-x86_64.sh \
-    && yum clean -y all
-
-# Install any git version > 2.6.5
-RUN yum remove -y git* && yum install -y rh-git227
-RUN rm -f /usr/bin/git; ln -s /opt/rh/rh-git227/root/bin/git /usr/bin/git
-
-# Install SWIG
-RUN yum remove -y swig \
-    && wget https://github.com/swig/swig/archive/rel-4.0.1.tar.gz \
-    && tar xfz rel-4.0.1.tar.gz \
-    && rm -rf rel-4.0.1.tar.gz \
-    && cd swig-rel-4.0.1 \
-    && ./autogen.sh && ./configure --prefix=/usr && make -j $(nproc) && make install \
-    && cd .. \
-    && rm -rf swig-rel-4.0.1
-
-# download CUDD
-# RUN wget https://www.davidkebo.com/source/cudd_versions/cudd-3.0.0.tar.gz && \
-#     tar -xvf cudd-3.0.0.tar.gz && \
-#     rm cudd-3.0.0.tar.gz
-
-# install CUDD
-# RUN cd cudd-3.0.0 && \
-#     mkdir ../cudd && \
-#     ./configure --prefix=$HOME/cudd && \
-#     make && \
-#     make install
-
-
-FROM base-dependencies AS builder
-
-COPY . /OpenSTA
-WORKDIR /OpenSTA
-
-# Build
-RUN mkdir build
-#RUN cd buld && cmake .. -DCUDD=$HOME/cudd && make -j 8
-RUN cd build && cmake .. && make -j 8
-
-# Run sta on entry
-ENTRYPOINT ["OpenSTA/app/sta"]
diff --git a/Dockerfile.centos7 b/Dockerfile.centos7
new file mode 100644
index 00000000..d32467a0
--- /dev/null
+++ b/Dockerfile.centos7
@@ -0,0 +1,40 @@
+FROM centos:centos7 AS base-dependencies
+LABEL author="James Cherry"
+LABEL maintainer="James Cherry <cherry@parallaxsw.com>"
+
+# Install dev and runtime dependencies
+RUN sed -i s/mirror.centos.org/vault.centos.org/g /etc/yum.repos.d/*.repo \
+    && sed -i s/^#.*baseurl=http/baseurl=http/g /etc/yum.repos.d/*.repo \
+    && sed -i s/^mirrorlist=http/#mirrorlist=http/g /etc/yum.repos.d/*.repo \
+    && yum update -y \
+    && yum install -y centos-release-scl epel-release
+RUN sed -i s/mirror.centos.org/vault.centos.org/g /etc/yum.repos.d/*.repo \
+    && sed -i s/^#.*baseurl=http/baseurl=http/g /etc/yum.repos.d/*.repo \
+    && sed -i s/^mirrorlist=http/#mirrorlist=http/g /etc/yum.repos.d/*.repo \ 
+    && yum install -y devtoolset-8 wget cmake3 make eigen3-devel tcl-devel tcl-tclreadline-devel swig3 bison flex zlib-devel \
+    && yum clean -y all
+
+# Download CUDD
+RUN wget https://raw.githubusercontent.com/davidkebo/cudd/main/cudd_versions/cudd-3.0.0.tar.gz && \
+    tar -xvf cudd-3.0.0.tar.gz && \
+    rm cudd-3.0.0.tar.gz
+
+# Install CUDD
+RUN source /opt/rh/devtoolset-8/enable && \
+    cd cudd-3.0.0 && \
+    mkdir ../cudd && \
+    ./configure && \
+    make -j`nproc` && \
+    make install
+
+FROM base-dependencies AS builder
+
+COPY . /OpenSTA
+WORKDIR /OpenSTA
+
+# Build
+RUN rm -rf build && mkdir build
+RUN source /opt/rh/devtoolset-8/enable && cd build && cmake3 .. && make -j`nproc`
+
+# Run sta on entry
+ENTRYPOINT ["OpenSTA/app/sta"]