diff --git a/.circleci/docker/Dockerfile.ubuntu1804 b/.circleci/docker/Dockerfile.ubuntu1804
new file mode 100644
index 000000000..8d6e25289
--- /dev/null
+++ b/.circleci/docker/Dockerfile.ubuntu1804
@@ -0,0 +1,117 @@
+# vim:syntax=dockerfile
+#------------------------------------------------------------------------------
+# Dockerfile for building and testing Solidity Compiler on CI
+# Target: Ubuntu 18.04 (Bionic Beaver)
+# URL: https://hub.docker.com/r/ethereum/solidity-buildpack-deps
+#
+# This file is part of solidity.
+#
+# solidity is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# solidity is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with solidity.  If not, see <http://www.gnu.org/licenses/>
+#
+# (c) 2016-2019 solidity contributors.
+#------------------------------------------------------------------------------
+FROM buildpack-deps:bionic AS base
+
+ARG DEBIAN_FRONTEND=noninteractive
+
+RUN set -ex; \
+	dist=$(grep DISTRIB_CODENAME /etc/lsb-release | cut -d= -f2); \
+	echo "deb http://ppa.launchpad.net/ethereum/cpp-build-deps/ubuntu $dist main" >> /etc/apt/sources.list ; \
+	apt-key adv --keyserver keyserver.ubuntu.com --recv-keys 1c52189c923f6ca9 ; \
+	apt-get update; \
+	apt-get install -qqy --no-install-recommends \
+		build-essential \
+		software-properties-common \
+		cmake ninja-build clang++-8 \
+		libboost-regex-dev libboost-filesystem-dev libboost-test-dev libboost-system-dev \
+		libboost-program-options-dev \
+		libjsoncpp-dev \
+		llvm-8-dev libz3-static-dev \
+		; \
+	apt-get install -qy python-pip python-sphinx; \
+	update-alternatives --install /usr/bin/llvm-symbolizer llvm-symbolizer /usr/bin/llvm-symbolizer-8 1; \
+	pip install codecov; \
+	rm -rf /var/lib/apt/lists/*
+
+FROM base AS libraries
+
+# OSSFUZZ: libprotobuf-mutator
+RUN set -ex; \
+	git clone https://github.com/google/libprotobuf-mutator.git \
+	    /usr/src/libprotobuf-mutator; \
+	cd /usr/src/libprotobuf-mutator; \
+	git checkout d1fe8a7d8ae18f3d454f055eba5213c291986f21; \
+	mkdir build; \
+	cd build; \
+	cmake .. -GNinja -DLIB_PROTO_MUTATOR_DOWNLOAD_PROTOBUF=ON \
+        -DLIB_PROTO_MUTATOR_TESTING=OFF -DCMAKE_BUILD_TYPE=Release \
+        -DCMAKE_INSTALL_PREFIX="/usr"; \
+	ninja; \
+	cp -vpr external.protobuf/bin/* /usr/bin/; \
+	cp -vpr external.protobuf/include/* /usr/include/; \
+	cp -vpr external.protobuf/lib/* /usr/lib/; \
+	ninja install/strip; \
+	rm -rf /usr/src/libprotobuf-mutator
+
+# OSSFUZZ: libfuzzer
+RUN set -ex; \
+	cd /var/tmp; \
+	svn co https://llvm.org/svn/llvm-project/compiler-rt/trunk/lib/fuzzer libfuzzer; \
+	mkdir -p build-libfuzzer; \
+	cd build-libfuzzer; \
+	clang++-8 -O1 -stdlib=libstdc++ -std=c++11 -O2 -fPIC -c ../libfuzzer/*.cpp -I../libfuzzer; \
+	ar r /usr/lib/libFuzzingEngine.a *.o; \
+	rm -rf /var/lib/libfuzzer
+
+# ETHASH
+RUN set -ex; \
+	cd /usr/src; \
+	git clone --branch="v0.4.4" https://github.com/chfast/ethash.git; \
+	cd ethash; \
+	mkdir build; \
+	cd build; \
+	cmake .. -G Ninja -DBUILD_SHARED_LIBS=OFF -DETHASH_BUILD_TESTS=OFF -DCMAKE_INSTALL_PREFIX="/usr"; \
+	ninja; \
+	ninja install/strip; \
+	rm -rf /usr/src/ethash
+
+# INTX
+RUN set -ex; \
+	cd /usr/src; \
+	git clone --branch="v0.2.0" https://github.com/chfast/intx.git; \
+	cd intx; \
+	mkdir build; \
+	cd build; \
+	cmake .. -G Ninja -DBUILD_SHARED_LIBS=OFF -DINTX_TESTING=OFF -DINTX_BENCHMARKING=OFF -DCMAKE_INSTALL_PREFIX="/usr"; \
+	ninja; \
+	ninja install/strip; \
+	rm -rf /usr/src/intx;
+
+# EVMONE
+ARG EVMONE_HASH="f10d12c190f55a9d373e78b2dc0074d35d752c02cb536bb6fe754fb3719dd69e"
+ARG EVMONE_MAJOR="0"
+ARG EVMONE_MINOR="1"
+ARG EVMONE_MICRO="0"
+RUN set -ex; \
+	EVMONE_VERSION="$EVMONE_MAJOR.$EVMONE_MINOR.$EVMONE_MICRO"; \
+	TGZFILE="evmone-$EVMONE_VERSION-linux-x86_64.tar.gz"; \
+	wget https://github.com/ethereum/evmone/releases/download/v$EVMONE_VERSION/$TGZFILE; \
+	sha256sum $TGZFILE; \
+	tar xzpf $TGZFILE -C /usr; \
+	rm -f $TGZFILE;
+
+FROM base
+COPY --from=libraries /usr/lib /usr/lib
+COPY --from=libraries /usr/bin /usr/bin
+COPY --from=libraries /usr/include /usr/include