diff --git a/.travis.yml b/.travis.yml
new file mode 100644
index 0000000..5c0179a
--- /dev/null
+++ b/.travis.yml
@@ -0,0 +1,82 @@
+sudo: required
+
+dist: xenial
+
+services:
+  - docker
+
+language: minimal
+
+# SLUG    - converts Gihub slug (`lncm/docker-bitcoind`) to Docker slug (`lncm/bitcoind`)
+# VER     - if TAG is being build, VER contains only MAJOR and MINOR parts of the version (ex. `0.18.0` -> `0.18`)
+# DIR     - if BRANCH is being built, use DIR with the highest version number
+# PREFIX  - sets Dockerfile prefix.  Be it based on `git tag`, or highest-version DIR name
+env:
+  global:
+    - SLUG="${TRAVIS_REPO_SLUG/docker-/}"
+    - VER=$(echo ${TRAVIS_TAG} | cut -d. -f1,2)
+    - DIR=$(ls -vd */ | grep '^[0-9]' | tail -n 1 | tr -d /)
+    - PREFIX="${VER:-$DIR}"
+
+stages:
+  - build
+  - name: deploy
+    if: tag IS present
+
+jobs:
+  include:
+#    - stage: build
+#      name: "Build Docker image from SOURCE for amd64"
+#      env:  ARCH=amd64  FROM=source
+
+#    - name: "Build Docker image from BINARY for amd64"
+#      env:  ARCH=amd64  FROM=binary
+
+    - stage: build
+      name: "Build Docker image from SOURCE for arm"
+      env:  ARCH=arm  FROM=source
+
+    - name: "See how fast building toolchain works on Travis"
+      script: docker build 0.18/
+
+#    - name: "Build Docker image from BINARY for arm"
+#      env:  ARCH=arm  FROM=binary
+
+    - stage: deploy
+      name: "Aggregate Docker images under one manifest"
+      script: ./.travis/docker-manifest.sh
+
+    - name: "Upload Docker containers to Github Releases"
+      deploy:
+        skip_cleanup: true
+        provider: releases
+        api_key:
+          secure: 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
+        file_glob: true
+        file: images/*.tgz
+        on:
+          repo: lncm/docker-bitcoind
+          tags: true
+
+before_script: ./.travis/before-script.sh
+script:
+  - >
+    if [[ "${ARCH}" = "amd64" ]]; then
+      ./.travis/build-amd64.sh
+
+    elif [[ "${ARCH}" = "arm" ]]; then
+      wget https://raw.githubusercontent.com/alpinelinux/alpine-chroot-install/v0.10.0/alpine-chroot-install \
+          && echo 'dcceb34aa63767579f533a7f2e733c4d662b0d1b  alpine-chroot-install' | sha1sum -c \
+          || exit 1
+
+      chmod +x alpine-chroot-install
+      sudo ./alpine-chroot-install  -a armhf  -b v3.9
+
+      /alpine/enter-chroot apk add bash
+      /alpine/enter-chroot ~/.travis/build-arm.sh || true
+      /alpine/enter-chroot ./.travis/build-arm.sh || true
+
+    elif [[ ! -z "${ARCH}" ]]; then
+      ./.travis/pull-all.sh
+    fi
+
diff --git a/.travis/before-script.sh b/.travis/before-script.sh
new file mode 100755
index 0000000..63a661a
--- /dev/null
+++ b/.travis/before-script.sh
@@ -0,0 +1,13 @@
+#!/bin/bash
+set -e
+
+#if [[ ! -z "${FROM}" ]]; then
+#    PREFIX="${PREFIX}/${FROM}"
+#fi
+
+## Magic `sed` command that replaces the last occurrence of `FROM alpine` with `FROM arm32v7/alpine`
+##   if base architecture of the final stage needs changing.  Don't ask me about the "3".
+#if [[ "${ARCH}" = "arm" ]]; then
+#    sed -i '3,\|^FROM alpine| s|FROM alpine|FROM arm32v7/alpine|' ${PREFIX}/Dockerfile
+#    echo "${PREFIX}/Dockerfile modified: Final stage image, base CPU architecture changed to: arm32v7"
+#fi
diff --git a/.travis/build-amd64.sh b/.travis/build-amd64.sh
new file mode 100755
index 0000000..073097d
--- /dev/null
+++ b/.travis/build-amd64.sh
@@ -0,0 +1,24 @@
+#!/bin/bash
+set -e
+
+TAG="${SLUG}:${TRAVIS_TAG:-$TRAVIS_BRANCH}-${FROM}-linux-${ARCH}"
+
+echo "Building ${TAG} with ${PREFIX}/Dockerfile…"
+
+if [[ "${FROM}" = "binary" ]]; then
+    docker build  --no-cache  --build-arg "arch=x86_64"  -t ${TAG}  ${PREFIX}/${FROM}/
+
+else
+    docker build  --no-cache  -t ${TAG}  ${PREFIX}/${FROM}/
+fi
+
+
+# Push image, if tag was specified
+if [[ -n "${TRAVIS_TAG}" ]]; then
+    echo "${DOCKER_PASS}" | docker login -u="${DOCKER_USER}" --password-stdin
+
+    docker push "${TAG}"
+fi
+
+
+
diff --git a/.travis/build-arm.sh b/.travis/build-arm.sh
new file mode 100755
index 0000000..ced5f9b
--- /dev/null
+++ b/.travis/build-arm.sh
@@ -0,0 +1,26 @@
+#!/bin/bash
+set -e
+
+apk add docker
+
+TAG="${SLUG}:${TRAVIS_TAG:-$TRAVIS_BRANCH}-${FROM}-linux-${ARCH}"
+
+echo "Building ${TAG} with ${PREFIX}/Dockerfile…"
+
+if [[ "${FROM}" = "binary" ]]; then
+    docker build  --no-cache  --build-arg "arch=${ARCH}"  -t ${TAG}  ${PREFIX}/${FROM}/
+
+else
+    docker build  --no-cache  -t ${TAG}  ${PREFIX}/${FROM}/
+fi
+
+
+# Push image, if tag was specified
+if [[ -n "${TRAVIS_TAG}" ]]; then
+    echo "${DOCKER_PASS}" | docker login -u="${DOCKER_USER}" --password-stdin
+
+    docker push "${TAG}"
+fi
+
+
+
diff --git a/.travis/docker-manifest.sh b/.travis/docker-manifest.sh
new file mode 100755
index 0000000..109f671
--- /dev/null
+++ b/.travis/docker-manifest.sh
@@ -0,0 +1,78 @@
+#!/bin/bash
+set -e
+
+# make sure Docker's config folder exists
+mkdir -p ~/.docker
+
+# Putting experimental:true to config enables manifest options
+echo '{ "experimental": "enabled" }' > ~/.docker/config.json
+
+# put above config into effect
+sudo systemctl restart docker
+
+echo "${DOCKER_PASS}" | docker login -u="${DOCKER_USER}" --password-stdin
+
+# print this to verify manifest options are now available
+docker version
+
+
+
+# Example: lncm/bitcoind:0.18.0
+IMAGE_VERSIONED="${SLUG}:${TRAVIS_TAG}"
+IMAGE_AMD64_SRC="${IMAGE_VERSIONED}-source-linux-amd64"
+#IMAGE_ARM7_SRC="${IMAGE_VERSIONED}-source-linux-armv7"
+
+docker pull "${IMAGE_AMD64_SRC}"
+#docker pull "${IMAGE_ARM7_SRC}"
+
+echo     "Pushing manifest ${IMAGE_VERSIONED}"
+docker -D manifest create "${IMAGE_VERSIONED}"  "${IMAGE_AMD64_SRC}"  #"${IMAGE_ARM7_SRC}"
+#docker manifest annotate  "${IMAGE_VERSIONED}"  "${IMAGE_ARM7_SRC}"  --os linux  --arch arm  --variant v7
+docker manifest push      "${IMAGE_VERSIONED}"
+
+# example: lncm/bitcoind:0.18
+IMAGE_MINOR_VER="${SLUG}:${VER}"
+
+echo     "Pushing manifest ${IMAGE_MINOR_VER}"
+docker -D manifest create "${IMAGE_MINOR_VER}"  "${IMAGE_AMD64_SRC}"  #"${IMAGE_ARM7_SRC}"
+#docker manifest annotate  "${IMAGE_MINOR_VER}"  "${IMAGE_ARM7_SRC}"  --os linux  --arch arm  --variant v7
+docker manifest push      "${IMAGE_MINOR_VER}"
+
+#example: lncm/bitcoind:latest
+IMAGE_LATEST="${SLUG}:latest"
+
+echo     "Pushing manifest ${IMAGE_LATEST}"
+docker -D manifest create "${IMAGE_LATEST}"  "${IMAGE_AMD64_SRC}"  #"${IMAGE_ARM7_SRC}"
+#docker manifest annotate  "${IMAGE_LATEST}"  "${IMAGE_ARM7_SRC}"  --os linux  --arch arm  --variant v7
+docker manifest push      "${IMAGE_LATEST}"
+
+
+
+# Example: lncm/bitcoind:0.18.0-binary
+IMAGE_VERSIONED="${SLUG}:${TRAVIS_TAG}-binary"
+IMAGE_AMD64_BIN="${IMAGE_VERSIONED}-binary-linux-amd64"
+#IMAGE_ARM7_BIN="${IMAGE_VERSIONED}-binary-linux-armv7"
+
+docker pull "${IMAGE_AMD64_BIN}"
+#docker pull "${IMAGE_ARM7_BIN}"
+
+echo     "Pushing manifest ${IMAGE_VERSIONED}"
+docker -D manifest create "${IMAGE_VERSIONED}"  "${IMAGE_AMD64_BIN}"  #"${IMAGE_ARM7_BIN}"
+#docker manifest annotate  "${IMAGE_VERSIONED}"  "${IMAGE_ARM7_BIN}"  --os linux  --arch arm  --variant v7
+docker manifest push      "${IMAGE_VERSIONED}"
+
+# example: lncm/bitcoind:0.18-binary
+IMAGE_MINOR_VER="${SLUG}:${VER}-binary"
+
+echo     "Pushing manifest ${IMAGE_MINOR_VER}"
+docker -D manifest create "${IMAGE_MINOR_VER}"  "${IMAGE_AMD64_BIN}"  #"${IMAGE_ARM7_BIN}"
+#docker manifest annotate  "${IMAGE_MINOR_BIN}"  "${IMAGE_ARM7_BIN}"  --os linux  --arch arm  --variant v7
+docker manifest push      "${IMAGE_MINOR_VER}"
+
+#example: lncm/bitcoind:binary
+IMAGE_BINARY="${SLUG}:binary"
+
+echo     "Pushing manifest ${IMAGE_BINARY}"
+docker -D manifest create "${IMAGE_BINARY}"  "${IMAGE_AMD64_BIN}"  #"${IMAGE_ARM7_BIN}"
+#docker manifest annotate  "${IMAGE_BINARY}"  "${IMAGE_ARM7_BIN}"  --os linux  --arch arm  --variant v7
+docker manifest push      "${IMAGE_BINARY}"
diff --git a/.travis/pull-all.sh b/.travis/pull-all.sh
new file mode 100755
index 0000000..7aaac4d
--- /dev/null
+++ b/.travis/pull-all.sh
@@ -0,0 +1,23 @@
+#!/bin/bash
+set -e
+
+echo "Saving images…"
+
+LATEST_AMD64_SRC="${SLUG}:${TRAVIS_TAG}-source-linux-amd64"
+LATEST_AMD64_BIN="${SLUG}:${TRAVIS_TAG}-binary-linux-amd64"
+#LATEST_ARM7_SRC="${SLUG}:${TRAVIS_TAG}-source-linux-armv7"
+#LATEST_ARM7_BIN="${SLUG}:${TRAVIS_TAG}-binary-linux-armv7"
+
+mkdir images
+
+docker pull ${LATEST_AMD64_SRC}
+docker save ${LATEST_AMD64_SRC} | gzip > "images/${SLUG/\//-}-${TRAVIS_TAG}-source-linux-amd64.tgz"
+
+docker pull ${LATEST_AMD64_BIN}
+docker save ${LATEST_AMD64_BIN} | gzip > "images/${SLUG/\//-}-${TRAVIS_TAG}-binary-linux-amd64.tgz"
+
+#docker pull ${LATEST_ARM7_SRC}
+#docker save ${LATEST_ARM7_SRC} | gzip > "images/${SLUG/\//-}-${TRAVIS_TAG}-source-linux-armv7.tgz"
+
+#docker pull ${LATEST_ARM7_BIN}
+#docker save ${LATEST_ARM7_BIN} | gzip > "images/${SLUG/\//-}-${TRAVIS_TAG}-binary-linux-armv7.tgz"
diff --git a/0.17/Dockerfile b/0.17/Dockerfile
index 8f40517..49c646b 100644
--- a/0.17/Dockerfile
+++ b/0.17/Dockerfile
@@ -4,6 +4,7 @@ FROM alpine:3.9 AS bitcoin-core
 # fetch already built berkeleydb
 COPY --from=lncm/berkeleydb:db-4.8.30.NC /opt /opt
 
+# Use APK repos over HTTPS. See: https://github.com/gliderlabs/docker-alpine/issues/184
 RUN sed -i 's/http\:\/\/dl-cdn.alpinelinux.org/https\:\/\/alpine.global.ssl.fastly.net/g' /etc/apk/repositories
 RUN apk --no-cache add autoconf
 RUN apk --no-cache add automake
@@ -69,6 +70,7 @@ FROM alpine:3.9 AS final
 LABEL maintainer.0="nolim1t (@nolim1t)" \
       maintainer.1="Damian Mee (@meeDamian)"
 
+# Use APK repos over HTTPS. See: https://github.com/gliderlabs/docker-alpine/issues/184
 RUN sed -i 's/http\:\/\/dl-cdn.alpinelinux.org/https\:\/\/alpine.global.ssl.fastly.net/g' /etc/apk/repositories
 RUN apk --no-cache add \
   boost \
@@ -86,7 +88,17 @@ VOLUME /root/.bitcoin
 
 COPY --from=bitcoin-core /opt /opt
 
-EXPOSE 8080 8332 8333 18332 18333 18444 28333 28332
+# REST interface
+EXPOSE 8080
+
+# P2P network (mainnet, testnet & regnet respectively)
+EXPOSE 8333 18333 18444
+
+# RPC interface (mainnet, testnet & regnet respectively)
+EXPOSE 8332 18332 18443
+
+# ZMQ ports (for transactions & blocks respectively)
+EXPOSE 28332 28333
 
 ENTRYPOINT ["bitcoind"]
 CMD ["bitcoind", "-zmqpubrawblock=tcp://0.0.0.0:28332", "-zmqpubrawtx=tcp://0.0.0.0:28333"]
diff --git a/0.18/Dockerfile b/0.18/Dockerfile
new file mode 100644
index 0000000..96e7e56
--- /dev/null
+++ b/0.18/Dockerfile
@@ -0,0 +1,62 @@
+# Build stage for Bitcoin Core
+FROM alpine:3.9 AS bitcoin-core
+
+# fetch already built berkeleydb
+COPY --from=lncm/berkeleydb:db-4.8.30.NC-linux-arm /opt /opt
+
+# Replace `http:` repositories with `https:` ones
+RUN sed -i 's/http\:\/\/dl-cdn.alpinelinux.org/https\:\/\/alpine.global.ssl.fastly.net/g' /etc/apk/repositories
+RUN echo 'https://alpine.global.ssl.fastly.net/alpine/edge/testing' >> /etc/apk/repositories
+
+# install packages necessary to build Bitcoind
+RUN apk add --no-cache --update \
+    autoconf \
+    automake \
+    boost-dev \
+    build-base \
+    chrpath \
+    crosstool-ng \
+    curl \
+    file \
+    g++ \
+    gcc \
+    git \
+    gnupg \
+    libevent-dev \
+    libressl \
+    libressl-dev \
+    libtool \
+    linux-headers \
+    make \
+    protobuf-dev \
+    tar \
+    wget \
+    zeromq-dev
+
+# We are inside Docker container.  It's easier to run as root, and no damage can be done anyway… so ¯\_(ツ)_/¯
+ENV CT_EXPERIMENTAL=y
+ENV CT_ALLOW_BUILD_AS_ROOT=y
+ENV CT_ALLOW_BUILD_AS_ROOT_SURE=y
+
+RUN apk add xz patch binutils
+
+RUN ct-ng arm-unknown-linux-musleabi
+
+RUN ct-ng -d build || true
+
+RUN tail -n 200 build.log
+
+
+
+# Alpine gotchas:
+#
+# `apk add --update wget` has to be run.
+#       Otherwise "wget: unrecognized option: progress=dot:binary" is returned
+#
+# `apk add --update tor` has to be run.
+#       Otherwise "tar: invalid tar magic" is returned
+#
+# `apk add --update patch`
+#       Otherwise: "/usr/bin/patch: unrecognized option: 0"
+#
+# Just missing & needs installing: xz strip (part of binutils)
diff --git a/0.18/Dockerfile.bak b/0.18/Dockerfile.bak
new file mode 100644
index 0000000..10389b9
--- /dev/null
+++ b/0.18/Dockerfile.bak
@@ -0,0 +1,136 @@
+# Build stage for Bitcoin Core
+FROM alpine:3.9 AS bitcoin-core
+
+# fetch already built berkeleydb
+COPY --from=lncm/berkeleydb:db-4.8.30.NC-linux-arm /opt /opt
+
+# Replace `http:` repositories with `https:` ones
+RUN sed -i 's/http\:\/\/dl-cdn.alpinelinux.org/https\:\/\/alpine.global.ssl.fastly.net/g' /etc/apk/repositories
+RUN echo 'https://alpine.global.ssl.fastly.net/alpine/edge/testing' >> /etc/apk/repositories
+
+
+# install packages necessary to build Bitcoind
+RUN apk add --no-cache --update \
+    autoconf \
+    automake \
+    boost-dev \
+    build-base \
+    chrpath \
+    curl \
+    file \
+#    g++ \
+#    gcc-cross-embedded \
+    crosstool-ng \
+    git \
+    gnupg \
+    libevent-dev \
+    libressl \
+    libressl-dev \
+    libtool \
+    linux-headers \
+    protobuf-dev \
+    zeromq-dev
+
+#RUN set -ex \
+#  && for key in \
+#    90C8019E36C2E964 \
+#  ; do \
+#    gpg --keyserver pgp.mit.edu --recv-keys "$key" || \
+#    gpg --keyserver keyserver.pgp.com --recv-keys "$key" || \
+#    gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$key" || \
+#    gpg --keyserver hkp://p80.pool.sks-keyservers.net:80 --recv-keys "$key" ; \
+#  done
+
+ENV BITCOIN_VERSION=0.18.0
+ENV BITCOIN_PREFIX=/opt/bitcoin-${BITCOIN_VERSION}
+
+RUN git clone -b "v${BITCOIN_VERSION}" https://github.com/bitcoin/bitcoin.git
+
+# Download checksums (intentionally different source than source code)
+#RUN wget https://bitcoincore.org/bin/bitcoin-core-${BITCOIN_VERSION}/SHA256SUMS.asc
+
+# Download source code (intentionally different source than checksums)
+#RUN wget https://bitcoin.org/bin/bitcoin-core-${BITCOIN_VERSION}/bitcoin-${BITCOIN_VERSION}.tar.gz
+
+# Verify that hashes are signed with the previously imported key
+#RUN gpg --verify SHA256SUMS.asc
+
+# Verify that downloaded source-code archive has exactly the hash that's provided
+#RUN grep " bitcoin-${BITCOIN_VERSION}.tar.gz\$" SHA256SUMS.asc | sha256sum -c -
+
+# Extract
+#RUN tar -xzf *.tar.gz
+
+# Change to the extraced directory
+WORKDIR /bitcoin
+# -${BITCOIN_VERSION}
+
+# ???
+RUN sed -i '/AC_PREREQ/a\AR_FLAGS=cr' src/univalue/configure.ac
+# ???
+RUN sed -i '/AX_PROG_CC_FOR_BUILD/a\AR_FLAGS=cr' src/secp256k1/configure.ac
+# ???
+RUN sed -i s:sys/fcntl.h:fcntl.h: src/compat.h
+
+RUN ./autogen.sh
+RUN ./configure LDFLAGS=-L`ls -d /opt/db*`/lib/ CPPFLAGS=-I`ls -d /opt/db*`/include/ \
+    --prefix=${BITCOIN_PREFIX} \
+    --mandir=/usr/share/man \
+    --disable-tests \
+    --disable-bench \
+    --disable-ccache \
+    --with-gui=no \
+    --with-utils \
+    --with-libs \
+    --with-daemon
+RUN make
+RUN make install
+
+RUN strip ${BITCOIN_PREFIX}/bin/bitcoin-cli
+RUN strip ${BITCOIN_PREFIX}/bin/bitcoin-tx
+RUN strip ${BITCOIN_PREFIX}/bin/bitcoind
+RUN strip ${BITCOIN_PREFIX}/lib/libbitcoinconsensus.a
+RUN strip ${BITCOIN_PREFIX}/lib/libbitcoinconsensus.so.0.0.0
+
+
+# Build stage for compiled artifacts
+FROM alpine:3.9 AS final
+
+LABEL maintainer.0="nolim1t (@nolim1t)" \
+      maintainer.1="Damian Mee (@meeDamian)"
+
+# TODO: Eliminating the two RUN lines below is necessary to cross-compile…
+# Replace `http:` repositories with `https:` ones
+RUN sed -i 's/http\:\/\/dl-cdn.alpinelinux.org/https\:\/\/alpine.global.ssl.fastly.net/g' /etc/apk/repositories
+
+RUN apk --no-cache --update
+    add \
+    boost \
+    boost-program_options \
+    libevent \
+    libressl \
+    libzmq \
+    su-exec
+
+ENV BITCOIN_VERSION=0.18.0
+ENV BITCOIN_PREFIX=/opt/bitcoin-${BITCOIN_VERSION}
+ENV PATH=${BITCOIN_PREFIX}/bin:$PATH
+
+VOLUME /root/.bitcoin
+
+COPY --from=bitcoin-core /opt /opt
+
+# REST interface
+EXPOSE 8080
+
+# P2P network (mainnet, testnet & regnet respectively)
+EXPOSE 8333 18333 18444
+
+# RPC interface (mainnet, testnet & regnet respectively)
+EXPOSE 8332 18332 18443
+
+# ZMQ ports (for transactions & blocks respectively)
+EXPOSE 28332 28333
+
+ENTRYPOINT ["bitcoind"]
+CMD ["bitcoind", "-zmqpubrawblock=tcp://0.0.0.0:28332", "-zmqpubrawtx=tcp://0.0.0.0:28333"]
diff --git a/0.18/binary/Dockerfile b/0.18/binary/Dockerfile
new file mode 100644
index 0000000..e898f00
--- /dev/null
+++ b/0.18/binary/Dockerfile
@@ -0,0 +1,62 @@
+# Build stage for Bitcoin Core
+FROM alpine:3.9 AS bitcoin-core
+
+
+
+
+#RUN apk --no-cache add autoconf
+#RUN apk --no-cache add automake
+#RUN apk --no-cache add boost-dev
+#RUN apk --no-cache add build-base
+#RUN apk --no-cache add chrpath
+#RUN apk --no-cache add file
+RUN apk --no-cache add gnupg
+#RUN apk --no-cache add libevent-dev
+#RUN apk --no-cache add libressl
+#RUN apk --no-cache add libressl-dev
+#RUN apk --no-cache add libtool
+#RUN apk --no-cache add linux-headers
+#RUN apk --no-cache add protobuf-dev
+#RUN apk --no-cache add zeromq-dev
+RUN set -ex \
+  && for key in \
+    90C8019E36C2E964 \
+  ; do \
+    gpg --keyserver pgp.mit.edu --recv-keys "$key" || \
+    gpg --keyserver keyserver.pgp.com --recv-keys "$key" || \
+    gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$key" || \
+    gpg --keyserver hkp://p80.pool.sks-keyservers.net:80 --recv-keys "$key" ; \
+  done
+
+ENV BITCOIN_VERSION=0.18.0
+
+ARG arch
+RUN wget https://bitcoin.org/bin/bitcoin-core-${BITCOIN_VERSION}/SHA256SUMS.asc
+RUN wget https://bitcoin.org/bin/bitcoin-core-${BITCOIN_VERSION}/bitcoin-${BITCOIN_VERSION}-${arch}-linux-gnu.tar.gz
+RUN gpg --verify SHA256SUMS.asc
+RUN grep " bitcoin-${BITCOIN_VERSION}.tar.gz\$" SHA256SUMS.asc | sha256sum -c -
+RUN tar -xzf *.tar.gz
+
+RUN install -m 0755  -o root  -g root  -t /usr/local/bin  bitcoin-${BITCOIN_VERSION}/bin/*
+
+LABEL maintainer.0="nolim1t (@nolim1t)" \
+      maintainer.1="Damian Mee (@meeDamian)"
+
+VOLUME /root/.bitcoin
+
+COPY --from=bitcoin-core /opt /opt
+
+# REST interface
+EXPOSE 8080
+
+# P2P network (mainnet, testnet & regnet respectively)
+EXPOSE 8333 18333 18444
+
+# RPC interface (mainnet, testnet & regnet respectively)
+EXPOSE 8332 18332 18443
+
+# ZMQ ports (for transactions & blocks respectively)
+EXPOSE 28332 28333
+
+ENTRYPOINT ["bitcoind"]
+CMD ["bitcoind", "-zmqpubrawblock=tcp://0.0.0.0:28332", "-zmqpubrawtx=tcp://0.0.0.0:28333"]
diff --git a/0.18/source/Dockerfile b/0.18/source/Dockerfile
new file mode 100644
index 0000000..8941826
--- /dev/null
+++ b/0.18/source/Dockerfile
@@ -0,0 +1,125 @@
+# Build stage for Bitcoin Core
+FROM alpine:3.9 AS bitcoin-core
+
+# fetch already built berkeleydb
+COPY --from=lncm/berkeleydb:db-4.8.30.NC /opt /opt
+
+# Use APK repos over HTTPS. See: https://github.com/gliderlabs/docker-alpine/issues/184
+RUN sed -i 's/http\:\/\/dl-cdn.alpinelinux.org/https\:\/\/alpine.global.ssl.fastly.net/g' /etc/apk/repositories
+
+# install packages necessary to build Bitcoind
+RUN apk add --no-cache --update \
+    autoconf \
+    automake \
+    boost-dev \
+    build-base \
+    chrpath \
+    file \
+    gnupg \
+    libevent-dev \
+    libressl \
+    libressl-dev \
+    libtool \
+    linux-headers \
+    protobuf-dev \
+    zeromq-dev
+
+RUN set -ex \
+  && for key in \
+    90C8019E36C2E964 \
+  ; do \
+    gpg --keyserver pgp.mit.edu --recv-keys "$key" || \
+    gpg --keyserver keyserver.pgp.com --recv-keys "$key" || \
+    gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$key" || \
+    gpg --keyserver hkp://p80.pool.sks-keyservers.net:80 --recv-keys "$key" ; \
+  done
+
+ENV BITCOIN_VERSION=0.18.0
+ENV BITCOIN_PREFIX=/opt/bitcoin-${BITCOIN_VERSION}
+
+# Download checksums (intentionally different source than source code)
+RUN wget https://bitcoincore.org/bin/bitcoin-core-${BITCOIN_VERSION}/SHA256SUMS.asc
+
+# Download source code (intentionally different source than checksums)
+RUN wget https://bitcoin.org/bin/bitcoin-core-${BITCOIN_VERSION}/bitcoin-${BITCOIN_VERSION}.tar.gz
+
+# Verify that hashes are signed with the previously imported key
+RUN gpg --verify SHA256SUMS.asc
+
+# Verify that downloaded source-code archive has exactly the hash that's provided
+RUN grep " bitcoin-${BITCOIN_VERSION}.tar.gz\$" SHA256SUMS.asc | sha256sum -c -
+
+# Extract
+RUN tar -xzf *.tar.gz
+
+# Change to the extraced directory
+WORKDIR /bitcoin-${BITCOIN_VERSION}
+
+# ???
+RUN sed -i '/AC_PREREQ/a\AR_FLAGS=cr' src/univalue/configure.ac
+# ???
+RUN sed -i '/AX_PROG_CC_FOR_BUILD/a\AR_FLAGS=cr' src/secp256k1/configure.ac
+# ???
+RUN sed -i s:sys/fcntl.h:fcntl.h: src/compat.h
+
+RUN ./autogen.sh
+RUN ./configure LDFLAGS=-L`ls -d /opt/db*`/lib/ CPPFLAGS=-I`ls -d /opt/db*`/include/ \
+    --prefix=${BITCOIN_PREFIX} \
+    --mandir=/usr/share/man \
+    --disable-tests \
+    --disable-bench \
+    --disable-ccache \
+    --with-gui=no \
+    --with-utils \
+    --with-libs \
+    --with-daemon
+RUN make
+RUN make install
+
+RUN strip ${BITCOIN_PREFIX}/bin/bitcoin-cli
+RUN strip ${BITCOIN_PREFIX}/bin/bitcoin-tx
+RUN strip ${BITCOIN_PREFIX}/bin/bitcoind
+RUN strip ${BITCOIN_PREFIX}/lib/libbitcoinconsensus.a
+RUN strip ${BITCOIN_PREFIX}/lib/libbitcoinconsensus.so.0.0.0
+
+
+# Build stage for compiled artifacts
+FROM alpine:3.9 AS final
+
+LABEL maintainer.0="nolim1t (@nolim1t)" \
+      maintainer.1="Damian Mee (@meeDamian)"
+
+# TODO: Eliminating the two RUN lines below is crucial to make cross-compilation possible…
+# Use APK repos over HTTPS. See: https://github.com/gliderlabs/docker-alpine/issues/184
+RUN sed -i 's/http\:\/\/dl-cdn.alpinelinux.org/https\:\/\/alpine.global.ssl.fastly.net/g' /etc/apk/repositories
+RUN apk --no-cache --update \
+    add \
+    boost \
+    boost-program_options \
+    libevent \
+    libressl \
+    libzmq \
+    su-exec
+
+ENV BITCOIN_VERSION=0.18.0
+ENV BITCOIN_PREFIX=/opt/bitcoin-${BITCOIN_VERSION}
+ENV PATH=${BITCOIN_PREFIX}/bin:$PATH
+
+VOLUME /root/.bitcoin
+
+COPY --from=bitcoin-core /opt /opt
+
+# REST interface
+EXPOSE 8080
+
+# P2P network (mainnet, testnet & regnet respectively)
+EXPOSE 8333 18333 18444
+
+# RPC interface (mainnet, testnet & regnet respectively)
+EXPOSE 8332 18332 18443
+
+# ZMQ ports (for transactions & blocks respectively)
+EXPOSE 28332 28333
+
+ENTRYPOINT ["bitcoind"]
+CMD ["bitcoind", "-zmqpubrawblock=tcp://0.0.0.0:28332", "-zmqpubrawtx=tcp://0.0.0.0:28333"]
diff --git a/README.md b/README.md
index e65bec5..4f3f922 100644
--- a/README.md
+++ b/README.md
@@ -89,3 +89,4 @@ docker exec -it bitcoind bitcoin-cli --help
 docker exec -it bitcoind bitcoin-cli -getinfo
 docker exec -it bitcoind bitcoin-cli getblockcount
 ```
+