3 files changed, 29 insertions, 1 deletions

diff --git a/README.md b/README.md
index 9f6e5d6..f75f7cd 100644
--- a/README.md
+++ b/README.md
@@ -1,3 +1,11 @@
 # Book creation tooling
 
-`guix.scm` file lists all dependencies needed for a project.
+`manifest.scm` file lists all dependencies needed for a project. The exact
+version is handled by `channels.scm`.
+
+Running the following will create a custom environment with the needed tools at
+the compatible version:
+
+``` bash
+guix time-machine -C channels.scm -- environment -m manifest.scm
+```
diff --git a/channels.scm b/channels.scm
new file mode 100644
index 0000000..3837f7f
--- /dev/null
+++ b/channels.scm
@@ -0,0 +1,20 @@
+(list (channel
+        (name 'nonguix)
+        (url "https://gitlab.com/nonguix/nonguix")
+        (commit
+          "a4300c38a760e69355df564e40abf70e09e27639"))
+      (channel
+        (name 'ekaitz)
+        (url "https://gitlab.com/ekaitz-zarraga/guix-packages")
+        (commit
+          "a42476849774683d3beb3ac694bffa573a3832a8"))
+      (channel
+        (name 'guix)
+        (url "https://git.savannah.gnu.org/git/guix.git")
+        (commit
+          "3f8041f9cd75e91fcb10e9100c567a9b7ad20570")
+        (introduction
+          (make-channel-introduction
+            "9edb3f66fd807b096b48283debdcddccfea34bad"
+            (openpgp-fingerprint
+              "BBB0 2DDF 2CEA F6A8 0D1D  E643 A2A0 6DF2 A33A 54FA")))))
diff --git a/guix.scm b/manifest.scm
index b584c8c..b584c8c 100644
--- a/guix.scm
+++ b/manifest.scm