diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..522f53a
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,46 @@
+REGISTRY?=swh-jenkins
+DOCKERFILES=$(shell find * -type f -name Dockerfile)
+NAMES=$(subst /,\:,$(subst /Dockerfile,,$(DOCKERFILES)))
+IMAGES=$(addprefix $(REGISTRY)/,$(NAMES))
+DEPENDS=.depends.mk
+MAKEFLAGS += -rR
+
+.PHONY: all run exec check checkrebuild $(NAMES) $(IMAGES)
+
+all: $(NAMES)
+
+help:
+	@echo "A smart Makefile for your dockerfiles"
+	@echo ""
+	@echo "Read all Dockerfile within the current directory and generate dependendies automatically."
+	@echo ""
+	@echo "make all              ; build all images"
+	@echo "make checkrebuild all ; build and check if image has update availables (using apk or apt-get)"
+	@echo "                        and rebuild with --no-cache is image has updates"
+	@echo ""
+	@echo "You can chain actions, typically in CI environment you want make checkrebuild push all"
+	@echo "which rebuild and push only images having updates availables."
+
+.PHONY: $(DEPENDS)
+$(DEPENDS): $(DOCKERFILES)
+	grep '^FROM \$$REGISTRY/' $(DOCKERFILES) | \
+		awk -F '/Dockerfile:FROM \\$$REGISTRY/' '{ print $$1 " " $$2 }' | \
+		sed 's@[:/]@\\:@g' | awk '{ print "$(REGISTRY)/" $$1 ": " "$(REGISTRY)/" $$2 }' > $@
+sinclude $(DEPENDS)
+
+$(NAMES): %: $(REGISTRY)/%
+ifeq (run,$(filter run,$(MAKECMDGOALS)))
+	docker run --rm -it $<
+endif
+ifeq (exec,$(filter exec,$(MAKECMDGOALS)))
+	docker run --entrypoint sh --rm -it $<
+endif
+ifeq (check,$(filter check,$(MAKECMDGOALS)))
+	./check_update.sh $<
+endif
+
+$(IMAGES): %:
+	docker build -t $@ $(subst :,/,$(subst $(REGISTRY)/,,$@))
+ifeq (checkrebuild,$(filter checkrebuild,$(MAKECMDGOALS)))
+	./check_update.sh $@ || (docker build --build-arg REGISTRY=$(REGISTRY) --no-cache -t $@ $(subst :,/,$(subst $(REGISTRY)/,,$@)) && ./check_update.sh $@)
+endif
diff --git a/README.md b/README.md
new file mode 100644
index 0000000..7543804
--- /dev/null
+++ b/README.md
@@ -0,0 +1,7 @@
+swh-jenkins-dockerfiles
+=======================
+
+This repo contains Dockerfile used to build the Jenkins' workers for the
+Software Heritage continuous integration platform.
+
+Docker images should be built themselves by a Jenkins job.
diff --git a/base/Dockerfile b/base/Dockerfile
new file mode 100644
index 0000000..f8e513a
--- /dev/null
+++ b/base/Dockerfile
@@ -0,0 +1,18 @@
+FROM jenkins/jnlp-slave
+LABEL maintainer="SoftwareHeritage"
+USER root
+
+# some base packages
+RUN apt-get update && \
+  apt-get upgrade -y && \
+  apt-get install -y \
+    build-essential \
+    curl \
+    python3-dev \
+    python3-pip \
+    python3-venv libsvn-dev \
+    libsystemd-dev \
+    pkg-config && \
+  rm -rf /var/lib/apt/lists/*
+
+USER jenkins
diff --git a/check_update.sh b/check_update.sh
new file mode 100755
index 0000000..16338d9
--- /dev/null
+++ b/check_update.sh
@@ -0,0 +1,21 @@
+#!/bin/sh
+if test -f /.dockerenv; then
+    if test -x /sbin/apk; then
+        apk --no-cache list -u | grep 'upgradable from' && exit 1
+    elif test -x /usr/bin/apt-get; then
+        apt-get update > /dev/null
+        apt list --upgradable 2>/dev/null | grep 'upgradable from' && exit 1
+    elif test -x /usr/bin/yum; then
+        yum check-update || exit 1
+    fi
+    exit 0
+fi
+if test -z "$1"; then
+    >&2 echo "$0 require image as argument"
+    exit 64
+fi
+if docker run --rm --entrypoint sh -u root -v $(readlink -f $0):/check_update.sh $1 /check_update.sh; then
+    echo "\033[0;32m$1 is up-to-date\033[0m"
+else
+    echo "\033[0;31m$1 need update\033[0m" && exit 1
+fi
diff --git a/sphinx/Dockerfile b/sphinx/Dockerfile
new file mode 100644
index 0000000..67cab60
--- /dev/null
+++ b/sphinx/Dockerfile
@@ -0,0 +1,18 @@
+ARG REGISTRY=swh-jenkins
+FROM $REGISTRY/base
+
+USER root
+RUN DEBIAN_FRONTEND=noninteractive apt-get update && \
+  apt-get install -y --no-install-recommends \
+    python3-sphinx \
+    sphinx-rtd-theme-common \
+    graphviz \
+    python3-sphinxcontrib.httpdomain \
+    python3-recommonmark \
+    libffi-dev \
+    inkscape \
+	myrepos \
+	make && \
+  rm -rf /var/lib/apt/lists/*
+
+USER jenkins
diff --git a/tox/Dockerfile b/tox/Dockerfile
new file mode 100644
index 0000000..6f4ca30
--- /dev/null
+++ b/tox/Dockerfile
@@ -0,0 +1,22 @@
+ARG REGISTRY=swh-jenkins
+FROM $REGISTRY/base
+LABEL maintainer="SoftwareHeritage"
+USER root
+
+# install postgresql 10
+RUN echo deb http://apt.postgresql.org/pub/repos/apt/ stretch-pgdg main > /etc/apt/sources.list.d/postgres.list
+RUN wget --quiet -O - https://www.postgresql.org/media/keys/ACCC4CF8.asc | apt-key add -
+RUN apt-get update && \
+    apt-get install -y \
+	  postgresql-10 \
+	  postgresql-client-10 \
+	  libpq-dev \
+	  arcanist && \
+	rm -rf /var/lib/apt/lists/*
+
+USER jenkins
+
+RUN python3 -m pip install --user --upgrade \
+  pip setuptools tox wheel
+RUN python3 -m pip install --user --no-warn-script-location \
+  Radon pylint coverage codespell