From 8609a09f4b2278ac5784d866971b82967f5d2f3e Mon Sep 17 00:00:00 2001
From: Serge Latyntcev <dnsl48@gmail.com>
Date: Wed, 20 Nov 2019 12:03:17 +1300
Subject: [PATCH] Add docker support for development environment

---
 README.md                 | 16 ++++++++++++++--
 docker/Dockerfile         |  3 +++
 docker/docker-compose.yml | 15 +++++++++++++++
 docker/entrypoint.sh      |  9 +++++++++
 docker/run                |  3 +++
 5 files changed, 44 insertions(+), 2 deletions(-)
 create mode 100644 docker/Dockerfile
 create mode 100644 docker/docker-compose.yml
 create mode 100644 docker/entrypoint.sh
 create mode 100755 docker/run

diff --git a/README.md b/README.md
index aae69d4..80ed7af 100644
--- a/README.md
+++ b/README.md
@@ -23,12 +23,24 @@ stored in
 
 To set up a local instance of [doc.silverstripe.org](https://github.com/silverstripe/doc.silverstripe.org):
 
-* Install [Gatsby CLI](https://gatsbyjs.com)
 * Clone this repository to an empty directory
 ```
    git clone https://github.com/silverstripe/doc.silverstripe.org path/to/ssdocs
 ```
 
+### Docker install
+
+No local NodeJS nor gatsby-cli is required for this option.
+
+ * Make sure docker and docker-compose are installed and docker daemon is running
+ * Simply use `./docker/run` to run gatsby commands
+     - `./docker/run build` would be equal to run `gatsby build` within a container
+     - `./docker/run develop -p 8000` would run `gatsby develop -p 8000` within a container.
+
+### Native install
+
+* Install [Gatsby CLI](https://gatsbyjs.com)
+
 ## Building
 
 To test a static build of the site, first create a production environment file.
@@ -55,7 +67,7 @@ From within `path/to/ssdocs`, run the command
 gatsby develop
 ```
 to instantiate a development server. This will consume all of the markdown files in both major release
-branches and allow you to browse the documentation site on `http://localhost:8000` by default 
+branches and allow you to browse the documentation site on `http://localhost:8000` by default
 (see the [Gatsby docs](https://www.gatsbyjs.org/docs/) for instructions on customising the port).
 
 ## Authoring
diff --git a/docker/Dockerfile b/docker/Dockerfile
new file mode 100644
index 0000000..7a3853f
--- /dev/null
+++ b/docker/Dockerfile
@@ -0,0 +1,3 @@
+FROM node:12
+
+RUN yarn global add gatsby-cli
\ No newline at end of file
diff --git a/docker/docker-compose.yml b/docker/docker-compose.yml
new file mode 100644
index 0000000..2f26b4f
--- /dev/null
+++ b/docker/docker-compose.yml
@@ -0,0 +1,15 @@
+version: '3.7'
+
+x-entrypoint: &entry
+  - /bin/bash
+  - /app/docker/entrypoint.sh
+
+services:
+  gatsby:
+    build:
+      context: .
+    working_dir: /app
+    network_mode: "host"
+    volumes:
+      - '..:/app'
+    entrypoint: *entry
\ No newline at end of file
diff --git a/docker/entrypoint.sh b/docker/entrypoint.sh
new file mode 100644
index 0000000..c9dd24a
--- /dev/null
+++ b/docker/entrypoint.sh
@@ -0,0 +1,9 @@
+#!/bin/bash
+
+cd /app;
+
+if [[ ! -d "/app/node_modules" ]] ; then
+    yarn;
+fi;
+
+gatsby $@
diff --git a/docker/run b/docker/run
new file mode 100755
index 0000000..d8f62e9
--- /dev/null
+++ b/docker/run
@@ -0,0 +1,3 @@
+#!/bin/bash
+
+cd $(dirname $0) && docker-compose run -u $(id -u) --rm gatsby $@
\ No newline at end of file