diff --git a/.dockerignore b/.dockerignore
new file mode 100644
index 0000000..2bb5df5
--- /dev/null
+++ b/.dockerignore
@@ -0,0 +1,2 @@
+src
+dist/README.md
diff --git a/.gitignore b/.gitignore
index 99237d9..d0b4319 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,3 @@
 dist
 .vagrant
+src
diff --git a/Dockerfile b/Dockerfile
index 34c653d..1fa3aea 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -62,3 +62,13 @@ RUN echo "deb http://deb.debian.org/debian stretch-backports main" >> /etc/apt/s
 COPY ./wait-for-it.sh ./wait-for-it.sh
 RUN chmod +x ./wait-for-it.sh
 
+# Add all distributions in the "dist" directory before any other
+# distributions. This way we can have pre-release modules in our dev
+# environment. Do this last to take advantage of as much caching as
+# possible above, even though any changes here mean rebuilding every
+# downstream image...
+COPY ./dist ./dist
+RUN bash -vlc 'for DIST in ./dist/*; do \
+        echo "Building pre-release: $DIST"; \
+        cpanm -v --notest $DIST; \
+    done && rm -rf ./dist'
diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..e290710
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,52 @@
+
+GH = https://github.com/orgs/cpan-testers
+SRC_DIR = src
+REPOS = cpantesters-schema cpantesters-backend cpantesters-web cpantesters-api
+
+.PHONY: src docker docker-base docker-schema docker-backend docker-web docker-api \
+    start stop
+
+src:
+	for REPO in $(REPOS); do \
+	    git clone $(GH)/$$REPO $(SRC_DIR)/$$REPO; \
+	done
+
+docker-base:
+	@echo "Building base image as cpantesters/base..."
+	@docker build . --tag cpantesters/base >build-base.log
+
+docker-schema: docker-base
+	@BUILD="schema"; \
+	REPO="cpantesters-$$BUILD"; \
+	TAG="cpantesters/$$BUILD"; \
+	echo "Building repo $$REPO as $$TAG..."; \
+	docker build $(SRC_DIR)/$$REPO --tag $$TAG >build-$$BUILD.log;
+
+docker-backend: docker-base docker-schema
+	@BUILD="backend"; \
+	REPO="cpantesters-$$BUILD"; \
+	TAG="cpantesters/$$BUILD"; \
+	echo "Building repo $$REPO as $$TAG..."; \
+	docker build $(SRC_DIR)/$$REPO --tag $$TAG >build-$$BUILD.log;
+
+docker-web: docker-base docker-schema
+	@BUILD="web"; \
+	REPO="cpantesters-$$BUILD"; \
+	TAG="cpantesters/$$BUILD"; \
+	echo "Building repo $$REPO as $$TAG..."; \
+	docker build $(SRC_DIR)/$$REPO --tag $$TAG >build-$$BUILD.log;
+
+docker-api: docker-base docker-schema
+	@BUILD="api"; \
+	REPO="cpantesters-$$BUILD"; \
+	TAG="cpantesters/$$BUILD"; \
+	echo "Building repo $$REPO as $$TAG..."; \
+	docker build $(SRC_DIR)/$$REPO --tag $$TAG >build-$$BUILD.log;
+
+docker: docker-backend docker-web docker-api
+
+start:
+	@docker-compose up
+
+stop:
+	@docker-compose stop
diff --git a/src/README.md b/src/README.md
new file mode 100644
index 0000000..1c71471
--- /dev/null
+++ b/src/README.md
@@ -0,0 +1,6 @@
+
+# Source directory
+
+This is where `make src` will put the Git repositories needed for
+development.
+