From f0145348ad5a839e6a3bf02f448a1921004a2c28 Mon Sep 17 00:00:00 2001
From: stevejpurves <steve@curvenote.com>
Date: Mon, 1 Apr 2024 21:52:31 +0100
Subject: [PATCH 1/3] =?UTF-8?q?=F0=9F=9A=A6forward=20`HOST`=20to=20dev=20s?=
 =?UTF-8?q?erver=20as=20`CONTENT=5FCDN=5FHOST`?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 packages/myst-cli/src/build/site/start.ts | 1 +
 1 file changed, 1 insertion(+)

diff --git a/packages/myst-cli/src/build/site/start.ts b/packages/myst-cli/src/build/site/start.ts
index c9a219263..3d6766912 100644
--- a/packages/myst-cli/src/build/site/start.ts
+++ b/packages/myst-cli/src/build/site/start.ts
@@ -142,6 +142,7 @@ export async function startServer(
         cwd: mystTemplate.templatePath,
         env: {
           ...process.env,
+          CONTENT_CDN_HOST: process.env.HOST ?? 'localhost',
           CONTENT_CDN_PORT: String(server.port),
           PORT: String(port),
           MODE: opts.buildStatic ? 'static' : 'app',

From 3e2d697eff698c166169a4fb1766a09f262dd01b Mon Sep 17 00:00:00 2001
From: stevejpurves <steve@curvenote.com>
Date: Mon, 1 Apr 2024 22:09:02 +0100
Subject: [PATCH 2/3] =?UTF-8?q?=F0=9F=AA=B5=20update=20logging=20to=20refl?=
 =?UTF-8?q?ect=20host?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 packages/myst-cli/src/build/site/logger.ts | 6 +++++-
 packages/myst-cli/src/build/site/start.ts  | 2 +-
 2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/packages/myst-cli/src/build/site/logger.ts b/packages/myst-cli/src/build/site/logger.ts
index 763ea5629..7cedb8ada 100644
--- a/packages/myst-cli/src/build/site/logger.ts
+++ b/packages/myst-cli/src/build/site/logger.ts
@@ -10,8 +10,12 @@ export function createServerLogger(session: ISession, ready: () => void): Logger
       if (line.includes('File changed: app/content')) return; // This is shown elsewhere
       if (line.includes('started at http://')) {
         const [, ipAndPort] = line.split('http://');
+        const host =
+          process.env.HOST && process.env.HOST.startsWith('http')
+            ? new URL(process.env.HOST).hostname
+            : process.env.HOST ?? 'localhost';
         const port = ipAndPort.split(':')[1].replace(/[^0-9]/g, '');
-        const local = `http://localhost:${port}`;
+        const local = `http://${host}:${port}`;
         ready();
         session.log.info(
           `\n🔌 Server started on port ${port}!  🥳 🎉\n\n\n\t👉  ${chalk.green(local)}  👈\n\n`,
diff --git a/packages/myst-cli/src/build/site/start.ts b/packages/myst-cli/src/build/site/start.ts
index 3d6766912..9abc1d131 100644
--- a/packages/myst-cli/src/build/site/start.ts
+++ b/packages/myst-cli/src/build/site/start.ts
@@ -123,7 +123,7 @@ export async function startServer(
     });
   }
   if (opts.headless) {
-    const local = chalk.green(`http://localhost:${server.port}`);
+    const local = chalk.green(`http://${process.env.HOST ?? 'localhost'}:${server.port}`);
     session.log.info(
       `\n🔌 Content server started on port ${server.port}!  🥳 🎉\n\n\n\t👉  ${local}  👈\n\n`,
     );

From 461987b5e6a66e68afec502fd80ba569bc0753fc Mon Sep 17 00:00:00 2001
From: stevejpurves <steve@curvenote.com>
Date: Mon, 1 Apr 2024 22:20:19 +0100
Subject: [PATCH 3/3] =?UTF-8?q?=F0=9F=93=97changeset?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .changeset/sharp-wasps-tap.md | 5 +++++
 1 file changed, 5 insertions(+)
 create mode 100644 .changeset/sharp-wasps-tap.md

diff --git a/.changeset/sharp-wasps-tap.md b/.changeset/sharp-wasps-tap.md
new file mode 100644
index 000000000..fec8b2410
--- /dev/null
+++ b/.changeset/sharp-wasps-tap.md
@@ -0,0 +1,5 @@
+---
+'myst-cli': patch
+---
+
+Set `CONTENT_CDN_HOST` when `HOST` environment variable is specified and default to `localhost` otherwise. Also improve log messages when `HOST` is provided.