From 83c38e82554d6da2af35071b0f236a5de8f98da4 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jo=C3=A3o=20Paulo?= <joao.paulo@uphold.com>
Date: Tue, 17 Dec 2024 11:38:54 +0000
Subject: [PATCH 1/3] Remove support for dashcore@0.12

---
 .github/workflows/build.yaml     |   2 -
 0.12/Dockerfile                  |  50 -------------
 0.12/alpine/Dockerfile           | 119 -------------------------------
 0.12/alpine/docker-entrypoint.sh |  26 -------
 0.12/docker-entrypoint.sh        |  26 -------
 README.md                        |   2 -
 6 files changed, 225 deletions(-)
 delete mode 100644 0.12/Dockerfile
 delete mode 100644 0.12/alpine/Dockerfile
 delete mode 100755 0.12/alpine/docker-entrypoint.sh
 delete mode 100755 0.12/docker-entrypoint.sh

diff --git a/.github/workflows/build.yaml b/.github/workflows/build.yaml
index 4b51653..2d0dd6d 100644
--- a/.github/workflows/build.yaml
+++ b/.github/workflows/build.yaml
@@ -15,8 +15,6 @@ jobs:
           - '0.16'
           - '0.15'
           - '0.14'
-          - '0.12'
-          - '0.12/alpine'
       fail-fast: false
     steps:
       - name: Set up Docker Buildx
diff --git a/0.12/Dockerfile b/0.12/Dockerfile
deleted file mode 100644
index 071a13d..0000000
--- a/0.12/Dockerfile
+++ /dev/null
@@ -1,50 +0,0 @@
-FROM debian:stable-slim
-
-LABEL maintainer.0="João Fonseca (@joaopaulofonseca)" \
-  maintainer.1="Pedro Branco (@pedrobranco)" \
-  maintainer.2="Rui Marinho (@ruimarinho)"
-
-RUN useradd -r dash \
-  && apt-get update -y \
-  && apt-get install -y curl gnupg unzip \
-  && apt-get clean \
-  && rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/* \
-  && set -ex \
-  && for key in \
-    B42F6819007F00F88E364FD4036A9C25BF357DD4 \
-    4B88269ABD8DF332 \
-  ; do \
-    gpg --keyserver keyserver.ubuntu.com --recv-keys "$key" || \
-    gpg --keyserver pgp.mit.edu --recv-keys "$key" || \
-    gpg --keyserver keyserver.pgp.com --recv-keys "$key" || \
-    gpg --keyserver keys.openpgp.org --recv-keys "$key" ; \
-  done
-
-ENV GOSU_VERSION=1.10
-
-RUN curl -o /usr/local/bin/gosu -fSL https://github.com/tianon/gosu/releases/download/${GOSU_VERSION}/gosu-$(dpkg --print-architecture) \
-  && curl -o /usr/local/bin/gosu.asc -fSL https://github.com/tianon/gosu/releases/download/${GOSU_VERSION}/gosu-$(dpkg --print-architecture).asc \
-  && gpg --verify /usr/local/bin/gosu.asc \
-  && rm /usr/local/bin/gosu.asc \
-  && chmod +x /usr/local/bin/gosu
-
-ENV DASH_VERSION=0.12.2.3
-ENV DASH_FOLDER_VERSION=0.12.2
-ENV DASH_DATA=/home/dash/.dashcore \
-  PATH=/opt/dashcore-${DASH_FOLDER_VERSION}/bin:$PATH
-RUN curl -SLO https://github.com/dashpay/dash/releases/download/v${DASH_VERSION}/SHA256SUMS.asc \
-  && curl -SLO https://github.com/dashpay/dash/releases/download/v${DASH_VERSION}/dashcore-${DASH_VERSION}-linux64.tar.gz \
-  && curl -SLO https://github.com/dashpay/dash/releases/download/v${DASH_VERSION}/dashcore-${DASH_VERSION}-linux64.tar.gz.asc \
-  && gpg --verify dashcore-${DASH_VERSION}-linux64.tar.gz.asc \
-  && tar -xzf dashcore-${DASH_VERSION}-linux64.tar.gz -C /opt \
-  && rm *.tar.gz
-
-VOLUME ["/home/dash/.dashcore"]
-
-COPY docker-entrypoint.sh /entrypoint.sh
-
-ENTRYPOINT ["/entrypoint.sh"]
-
-EXPOSE 9998 9999 18332 19998 19999
-
-CMD ["dashd"]
diff --git a/0.12/alpine/Dockerfile b/0.12/alpine/Dockerfile
deleted file mode 100644
index e259bba..0000000
--- a/0.12/alpine/Dockerfile
+++ /dev/null
@@ -1,119 +0,0 @@
-# Build stage for BerkeleyDB
-FROM alpine as berkeleydb
-
-RUN apk --no-cache add autoconf
-RUN apk --no-cache add automake
-RUN apk --no-cache add build-base
-RUN apk --no-cache add libressl
-
-ENV BERKELEYDB_VERSION=db-4.8.30.NC
-ENV BERKELEYDB_PREFIX=/opt/${BERKELEYDB_VERSION}
-
-RUN wget https://download.oracle.com/berkeley-db/${BERKELEYDB_VERSION}.tar.gz
-RUN tar -xzf *.tar.gz
-RUN sed s/__atomic_compare_exchange/__atomic_compare_exchange_db/g -i ${BERKELEYDB_VERSION}/dbinc/atomic.h
-RUN mkdir -p ${BERKELEYDB_PREFIX}
-
-WORKDIR /${BERKELEYDB_VERSION}/build_unix
-
-RUN ../dist/configure --enable-cxx --disable-shared --with-pic --prefix=${BERKELEYDB_PREFIX}
-RUN make -j4
-RUN make install
-RUN rm -rf ${BERKELEYDB_PREFIX}/docs
-
-# Build stage for Dash
-FROM alpine:3.12.1 as dash
-
-COPY --from=berkeleydb /opt /opt
-
-RUN apk --no-cache add autoconf
-RUN apk --no-cache add automake
-RUN apk --no-cache add boost-dev
-RUN apk --no-cache add build-base
-RUN apk --no-cache add chrpath
-RUN apk --no-cache add file
-RUN apk --no-cache add gnupg
-RUN apk --no-cache add libevent-dev
-RUN apk --no-cache add libressl
-RUN apk --no-cache add libressl-dev
-RUN apk --no-cache add libsodium-dev
-RUN apk --no-cache add libtool
-RUN apk --no-cache add linux-headers
-RUN apk --no-cache add protobuf-dev
-RUN apk --no-cache add zeromq-dev
-
-RUN set -ex \
-  && for key in \
-    38EE12EB597B4FC0 \
-  ; do \
-    gpg --keyserver keyserver.ubuntu.com --recv-keys "$key" || \
-    gpg --keyserver pgp.mit.edu --recv-keys "$key" || \
-    gpg --keyserver keyserver.pgp.com --recv-keys "$key" || \
-    gpg --keyserver keys.openpgp.org --recv-keys "$key" ; \
-  done
-
-ENV DASH_VERSION=0.12.2.3
-ENV DASH_PREFIX=/opt/dash-${DASH_VERSION}
-ENV DASH_SHASUM="7f7d4429f08c2df8819ae8273402eed67d605e183aee6b02202032b57a136c0b  v${DASH_VERSION}.tar.gz"
-
-RUN wget https://github.com/dashpay/dash/archive/v${DASH_VERSION}.tar.gz
-RUN echo "${DASH_SHASUM}" | sha256sum -c
-RUN tar -xzf *.tar.gz
-RUN ls -la
-
-WORKDIR /dash-${DASH_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=${DASH_PREFIX} \
-  --mandir=/usr/share/man \
-  --disable-tests \
-  --disable-bench \
-  --disable-ccache \
-  --with-gui=no \
-  --with-utils \
-  --with-libs \
-  --with-daemon
-RUN make -j4
-RUN make install
-RUN strip ${DASH_PREFIX}/bin/dash-cli
-RUN strip ${DASH_PREFIX}/bin/dash-tx
-RUN strip ${DASH_PREFIX}/bin/dashd
-RUN strip ${DASH_PREFIX}/lib/libdashconsensus.a
-RUN strip ${DASH_PREFIX}/lib/libdashconsensus.so.0.0.0
-
-# Build stage for compiled artifacts
-FROM alpine
-
-LABEL maintainer.0="João Fonseca (@joaopaulofonseca)" \
-  maintainer.1="Pedro Branco (@pedrobranco)" \
-  maintainer.2="Rui Marinho (@ruimarinho)"
-
-RUN adduser -S dash
-RUN apk --no-cache add \
-  boost \
-  boost-program_options \
-  curl \
-  libevent \
-  libressl \
-  libzmq \
-  su-exec
-
-ENV DASH_DATA=/home/dash/.dashcore
-ENV DASH_VERSION=0.12.2.3
-ENV DASH_PREFIX=/opt/dash-${DASH_VERSION}
-ENV PATH=${DASH_PREFIX}/bin:$PATH
-
-COPY --from=dash /opt /opt
-COPY docker-entrypoint.sh /entrypoint.sh
-
-VOLUME ["/home/dash/.dashcore"]
-
-EXPOSE 9998 9999 18332 19998 19999
-
-ENTRYPOINT ["/entrypoint.sh"]
-
-CMD ["dashd"]
diff --git a/0.12/alpine/docker-entrypoint.sh b/0.12/alpine/docker-entrypoint.sh
deleted file mode 100755
index f88a7b7..0000000
--- a/0.12/alpine/docker-entrypoint.sh
+++ /dev/null
@@ -1,26 +0,0 @@
-#!/bin/sh
-set -e
-
-if [ $(echo "$1" | cut -c1) = "-" ]; then
-  echo "$0: assuming arguments for dashd"
-
-  set -- dashd "$@"
-fi
-
-if [ $(echo "$1" | cut -c1) = "-" ] || [ "$1" = "dashd" ]; then
-  mkdir -p "$DASH_DATA"
-  chmod 700 "$DASH_DATA"
-  chown -R dash "$DASH_DATA"
-
-  echo "$0: setting data directory to $DASH_DATA"
-
-  set -- "$@" -datadir="$DASH_DATA"
-fi
-
-if [ "$1" = "dashd" ] || [ "$1" = "dash-cli" ] || [ "$1" = "dash-tx" ]; then
-  echo
-  exec su-exec dash "$@"
-fi
-
-echo
-exec "$@"
diff --git a/0.12/docker-entrypoint.sh b/0.12/docker-entrypoint.sh
deleted file mode 100755
index 8ef60ac..0000000
--- a/0.12/docker-entrypoint.sh
+++ /dev/null
@@ -1,26 +0,0 @@
-#!/bin/sh
-set -e
-
-if [ $(echo "$1" | cut -c1) = "-" ]; then
-  echo "$0: assuming arguments for dashd"
-
-  set -- dashd "$@"
-fi
-
-if [ $(echo "$1" | cut -c1) = "-" ] || [ "$1" = "dashd" ]; then
-  mkdir -p "$DASH_DATA"
-  chmod 700 "$DASH_DATA"
-  chown -R dash "$DASH_DATA"
-
-  echo "$0: setting data directory to $DASH_DATA"
-
-  set -- "$@" -datadir="$DASH_DATA"
-fi
-
-if [ "$1" = "dashd" ] || [ "$1" = "dash-cli" ] || [ "$1" = "dash-tx" ]; then
-  echo
-  exec gosu dash "$@"
-fi
-
-echo
-exec "$@"
diff --git a/README.md b/README.md
index 046e88b..3ff9d32 100644
--- a/README.md
+++ b/README.md
@@ -14,8 +14,6 @@ A Dash Core docker image.
 - `0.15.0.0`, `0.15`  ([0.15/Dockerfile](https://github.com/uphold/docker-dash-core/blob/master/0.15/Dockerfile))
 - `0.14.0.5-alpine`, `0.14-alpine`, `alpine` ([0.14/alpine/Dockerfile](https://github.com/uphold/docker-dash-core/blob/master/0.14/alpine/Dockerfile))
 - `0.14.0.5`, `0.14`  ([0.14/Dockerfile](https://github.com/uphold/docker-dash-core/blob/master/0.14/Dockerfile))
-- `0.12.2.3-alpine`, `0.12-alpine` ([0.12/alpine/Dockerfile](https://github.com/uphold/docker-dash-core/blob/master/0.12/alpine/Dockerfile))
-- `0.12.2.3`, `0.12`  ([0.12/Dockerfile](https://github.com/uphold/docker-dash-core/blob/master/0.12/Dockerfile))
 
 ## What is Dash?
 _from [dashwiki](https://github.com/dashpay/dash/wiki)_

From 08e45b60aca5c77eed7b40ebbd2248bb9dbca3c5 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jo=C3=A3o=20Paulo?= <joao.paulo@uphold.com>
Date: Tue, 17 Dec 2024 11:30:09 +0000
Subject: [PATCH 2/3] Add support for dashcore@22.0.0

---
 .github/workflows/build.yaml |  9 ++++--
 22/Dockerfile                | 54 ++++++++++++++++++++++++++++++++++++
 22/docker-entrypoint.sh      | 26 +++++++++++++++++
 README.md                    |  3 +-
 4 files changed, 89 insertions(+), 3 deletions(-)
 create mode 100644 22/Dockerfile
 create mode 100755 22/docker-entrypoint.sh

diff --git a/.github/workflows/build.yaml b/.github/workflows/build.yaml
index 2d0dd6d..d6f75fc 100644
--- a/.github/workflows/build.yaml
+++ b/.github/workflows/build.yaml
@@ -8,6 +8,7 @@ jobs:
     strategy:
       matrix:
         version:
+          - '22'
           - '20'
           - '19'
           - '18'
@@ -61,8 +62,12 @@ jobs:
             fi
           fi
 
-          if [[ ${DASH_CORE_VERSION} != *"alpine"* ]] && [ $(version ${DASH_CORE_VERSION}) -ge $(version "20") ]; then
-            PLATFORMS="linux/amd64,linux/arm/v7,linux/arm64"
+          if [[ ${DASH_CORE_VERSION} != *"alpine"* ]]; then
+            if [ $(version ${DASH_CORE_VERSION}) -ge $(version "22") ]; then
+              PLATFORMS="linux/amd64,linux/arm64"
+            elif [ $(version ${DASH_CORE_VERSION}) -ge $(version "20") ]; then
+              PLATFORMS="linux/amd64,linux/arm/v7,linux/arm64"
+            fi
           fi
 
           echo ::set-output name=build_date::$(date -u +'%Y-%m-%dT%H:%M:%SZ')
diff --git a/22/Dockerfile b/22/Dockerfile
new file mode 100644
index 0000000..fae3b8a
--- /dev/null
+++ b/22/Dockerfile
@@ -0,0 +1,54 @@
+FROM debian:stable-slim
+
+LABEL maintainer.0="João Fonseca (@joaopaulofonseca)" \
+  maintainer.1="Pedro Branco (@pedrobranco)" \
+  maintainer.2="Rui Marinho (@ruimarinho)"
+
+RUN useradd -r dash \
+  && apt-get update -y \
+  && apt-get install -y curl gnupg unzip \
+  && apt-get clean \
+  && rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/* \
+  && set -ex \
+  && for key in \
+    B42F6819007F00F88E364FD4036A9C25BF357DD4 \
+    29590362EC878A81FD3C202B52527BEDABE87984 \
+  ; do \
+    gpg --keyserver keyserver.ubuntu.com --recv-keys "$key" || \
+    gpg --keyserver pgp.mit.edu --recv-keys "$key" || \
+    gpg --keyserver keyserver.pgp.com --recv-keys "$key" || \
+    gpg --keyserver keys.openpgp.org --recv-keys "$key" ; \
+  done
+
+ENV GOSU_VERSION=1.10
+
+RUN curl -o /usr/local/bin/gosu -fSL https://github.com/tianon/gosu/releases/download/${GOSU_VERSION}/gosu-$(dpkg --print-architecture) \
+  && curl -o /usr/local/bin/gosu.asc -fSL https://github.com/tianon/gosu/releases/download/${GOSU_VERSION}/gosu-$(dpkg --print-architecture).asc \
+  && gpg --verify /usr/local/bin/gosu.asc \
+  && rm /usr/local/bin/gosu.asc \
+  && chmod +x /usr/local/bin/gosu
+
+ARG TARGETPLATFORM
+ENV DASH_VERSION=22.0.0
+ENV DASH_FOLDER_VERSION=22.0.0
+ENV DASH_DATA=/home/dash/.dashcore \
+  PATH=/opt/dashcore-${DASH_FOLDER_VERSION}/bin:$PATH
+RUN set -ex \
+  && if [ "${TARGETPLATFORM}" = "linux/amd64" ]; then export TARGETPLATFORM=x86_64-linux-gnu; fi \
+  && if [ "${TARGETPLATFORM}" = "linux/arm64" ]; then export TARGETPLATFORM=aarch64-linux-gnu; fi \
+  && curl -SLO https://github.com/dashpay/dash/releases/download/v${DASH_VERSION}/SHA256SUMS.asc \
+  && curl -SLO https://github.com/dashpay/dash/releases/download/v${DASH_VERSION}/dashcore-${DASH_VERSION}-${TARGETPLATFORM}.tar.gz \
+  && curl -SLO https://github.com/dashpay/dash/releases/download/v${DASH_VERSION}/dashcore-${DASH_VERSION}-${TARGETPLATFORM}.tar.gz.asc \
+  && gpg --verify dashcore-${DASH_VERSION}-${TARGETPLATFORM}.tar.gz.asc \
+  && tar -xzf dashcore-${DASH_VERSION}-${TARGETPLATFORM}.tar.gz -C /opt \
+  && rm *.tar.gz
+
+VOLUME ["/home/dash/.dashcore"]
+
+COPY docker-entrypoint.sh /entrypoint.sh
+
+ENTRYPOINT ["/entrypoint.sh"]
+
+EXPOSE 9998 9999 19898 19998 19999
+
+CMD ["dashd"]
diff --git a/22/docker-entrypoint.sh b/22/docker-entrypoint.sh
new file mode 100755
index 0000000..8ef60ac
--- /dev/null
+++ b/22/docker-entrypoint.sh
@@ -0,0 +1,26 @@
+#!/bin/sh
+set -e
+
+if [ $(echo "$1" | cut -c1) = "-" ]; then
+  echo "$0: assuming arguments for dashd"
+
+  set -- dashd "$@"
+fi
+
+if [ $(echo "$1" | cut -c1) = "-" ] || [ "$1" = "dashd" ]; then
+  mkdir -p "$DASH_DATA"
+  chmod 700 "$DASH_DATA"
+  chown -R dash "$DASH_DATA"
+
+  echo "$0: setting data directory to $DASH_DATA"
+
+  set -- "$@" -datadir="$DASH_DATA"
+fi
+
+if [ "$1" = "dashd" ] || [ "$1" = "dash-cli" ] || [ "$1" = "dash-tx" ]; then
+  echo
+  exec gosu dash "$@"
+fi
+
+echo
+exec "$@"
diff --git a/README.md b/README.md
index 3ff9d32..8f8e12d 100644
--- a/README.md
+++ b/README.md
@@ -6,7 +6,8 @@ A Dash Core docker image.
 
 ## Tags
 
-- `20.0.4`, `20.0`, `20`, `latest` ([20/Dockerfile](https://github.com/uphold/docker-dash-core/blob/master/20/Dockerfile))
+- `22.0.0`, `22.0`, `22`, `latest` ([22/Dockerfile](https://github.com/uphold/docker-dash-core/blob/master/22/Dockerfile))
+- `20.0.4`, `20.0`, `20` ([20/Dockerfile](https://github.com/uphold/docker-dash-core/blob/master/20/Dockerfile))
 - `19.2.0`, `19.2`, `19` ([19/Dockerfile](https://github.com/uphold/docker-dash-core/blob/master/19/Dockerfile))
 - `18.0.1`, `18.0`, `18` ([18/Dockerfile](https://github.com/uphold/docker-dash-core/blob/master/18/Dockerfile))
 - `0.17.0.3`, `0.17` ([0.17/Dockerfile](https://github.com/uphold/docker-dash-core/blob/master/0.17/Dockerfile))

From 96ed44feda5b0a5969926832c38b08dd327c9a6e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jo=C3=A3o=20Paulo?= <joao.paulo@uphold.com>
Date: Tue, 17 Dec 2024 12:23:13 +0000
Subject: [PATCH 3/3] Add support for dashcore@21.1.1

---
 .github/workflows/build.yaml |  1 +
 21/Dockerfile                | 55 ++++++++++++++++++++++++++++++++++++
 21/docker-entrypoint.sh      | 26 +++++++++++++++++
 README.md                    |  1 +
 4 files changed, 83 insertions(+)
 create mode 100644 21/Dockerfile
 create mode 100755 21/docker-entrypoint.sh

diff --git a/.github/workflows/build.yaml b/.github/workflows/build.yaml
index d6f75fc..717aaaf 100644
--- a/.github/workflows/build.yaml
+++ b/.github/workflows/build.yaml
@@ -9,6 +9,7 @@ jobs:
       matrix:
         version:
           - '22'
+          - '21'
           - '20'
           - '19'
           - '18'
diff --git a/21/Dockerfile b/21/Dockerfile
new file mode 100644
index 0000000..fea6cef
--- /dev/null
+++ b/21/Dockerfile
@@ -0,0 +1,55 @@
+FROM debian:stable-slim
+
+LABEL maintainer.0="João Fonseca (@joaopaulofonseca)" \
+  maintainer.1="Pedro Branco (@pedrobranco)" \
+  maintainer.2="Rui Marinho (@ruimarinho)"
+
+RUN useradd -r dash \
+  && apt-get update -y \
+  && apt-get install -y curl gnupg unzip \
+  && apt-get clean \
+  && rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/* \
+  && set -ex \
+  && for key in \
+    B42F6819007F00F88E364FD4036A9C25BF357DD4 \
+    29590362EC878A81FD3C202B52527BEDABE87984 \
+  ; do \
+    gpg --keyserver keyserver.ubuntu.com --recv-keys "$key" || \
+    gpg --keyserver pgp.mit.edu --recv-keys "$key" || \
+    gpg --keyserver keyserver.pgp.com --recv-keys "$key" || \
+    gpg --keyserver keys.openpgp.org --recv-keys "$key" ; \
+  done
+
+ENV GOSU_VERSION=1.10
+
+RUN curl -o /usr/local/bin/gosu -fSL https://github.com/tianon/gosu/releases/download/${GOSU_VERSION}/gosu-$(dpkg --print-architecture) \
+  && curl -o /usr/local/bin/gosu.asc -fSL https://github.com/tianon/gosu/releases/download/${GOSU_VERSION}/gosu-$(dpkg --print-architecture).asc \
+  && gpg --verify /usr/local/bin/gosu.asc \
+  && rm /usr/local/bin/gosu.asc \
+  && chmod +x /usr/local/bin/gosu
+
+ARG TARGETPLATFORM
+ENV DASH_VERSION=21.1.1
+ENV DASH_FOLDER_VERSION=21.1.1
+ENV DASH_DATA=/home/dash/.dashcore \
+  PATH=/opt/dashcore-${DASH_FOLDER_VERSION}/bin:$PATH
+RUN set -ex \
+  && if [ "${TARGETPLATFORM}" = "linux/amd64" ]; then export TARGETPLATFORM=x86_64-linux-gnu; fi \
+  && if [ "${TARGETPLATFORM}" = "linux/arm64" ]; then export TARGETPLATFORM=aarch64-linux-gnu; fi \
+  && if [ "${TARGETPLATFORM}" = "linux/arm/v7" ]; then export TARGETPLATFORM=arm-linux-gnueabihf; fi \
+  && curl -SLO https://github.com/dashpay/dash/releases/download/v${DASH_VERSION}/SHA256SUMS.asc \
+  && curl -SLO https://github.com/dashpay/dash/releases/download/v${DASH_VERSION}/dashcore-${DASH_VERSION}-${TARGETPLATFORM}.tar.gz \
+  && curl -SLO https://github.com/dashpay/dash/releases/download/v${DASH_VERSION}/dashcore-${DASH_VERSION}-${TARGETPLATFORM}.tar.gz.asc \
+  && gpg --verify dashcore-${DASH_VERSION}-${TARGETPLATFORM}.tar.gz.asc \
+  && tar -xzf dashcore-${DASH_VERSION}-${TARGETPLATFORM}.tar.gz -C /opt \
+  && rm *.tar.gz
+
+VOLUME ["/home/dash/.dashcore"]
+
+COPY docker-entrypoint.sh /entrypoint.sh
+
+ENTRYPOINT ["/entrypoint.sh"]
+
+EXPOSE 9998 9999 19898 19998 19999
+
+CMD ["dashd"]
diff --git a/21/docker-entrypoint.sh b/21/docker-entrypoint.sh
new file mode 100755
index 0000000..8ef60ac
--- /dev/null
+++ b/21/docker-entrypoint.sh
@@ -0,0 +1,26 @@
+#!/bin/sh
+set -e
+
+if [ $(echo "$1" | cut -c1) = "-" ]; then
+  echo "$0: assuming arguments for dashd"
+
+  set -- dashd "$@"
+fi
+
+if [ $(echo "$1" | cut -c1) = "-" ] || [ "$1" = "dashd" ]; then
+  mkdir -p "$DASH_DATA"
+  chmod 700 "$DASH_DATA"
+  chown -R dash "$DASH_DATA"
+
+  echo "$0: setting data directory to $DASH_DATA"
+
+  set -- "$@" -datadir="$DASH_DATA"
+fi
+
+if [ "$1" = "dashd" ] || [ "$1" = "dash-cli" ] || [ "$1" = "dash-tx" ]; then
+  echo
+  exec gosu dash "$@"
+fi
+
+echo
+exec "$@"
diff --git a/README.md b/README.md
index 8f8e12d..4b5d7af 100644
--- a/README.md
+++ b/README.md
@@ -7,6 +7,7 @@ A Dash Core docker image.
 ## Tags
 
 - `22.0.0`, `22.0`, `22`, `latest` ([22/Dockerfile](https://github.com/uphold/docker-dash-core/blob/master/22/Dockerfile))
+- `21.1.1`, `21.0`, `21`, `latest` ([21/Dockerfile](https://github.com/uphold/docker-dash-core/blob/master/21/Dockerfile))
 - `20.0.4`, `20.0`, `20` ([20/Dockerfile](https://github.com/uphold/docker-dash-core/blob/master/20/Dockerfile))
 - `19.2.0`, `19.2`, `19` ([19/Dockerfile](https://github.com/uphold/docker-dash-core/blob/master/19/Dockerfile))
 - `18.0.1`, `18.0`, `18` ([18/Dockerfile](https://github.com/uphold/docker-dash-core/blob/master/18/Dockerfile))