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new post: silverbullet-self-hosted-knowledge-management
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---
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title: "SilverBullet: A Brilliant Self-Hosted Knowledge Management Web App"
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date: 2024-08-12
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title: "SilverBullet: Self-Hosted Knowledge Management Web App"
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date: "2024-08-22T02:56:12Z"
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# lastmod: 2024-08-12
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draft: true
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description: "This is a new post about..."
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description: "Deploying SilverBullet with Docker Compose, and accessing it from anywhere with Tailscale and Cloudflare Tunnel."
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featured: false
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toc: true
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reply: true
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@ -12,13 +11,12 @@ tags:
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- cloudflare
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- containers
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- docker
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- javascript
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- linux
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- selfhosting
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- tailscale
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---
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A few days ago I [posted on my other blog](https://srsbsns.lol/is-silverbullet-the-note-keeping-silver-bullet/) about trying out [SilverBullet](https://silverbullet.md), an open-source self-hosted web-based note-keeping app. SilverBullet has continued to impress me as I use it and learn more about its [features](https://silverbullet.md/SilverBullet@1992). It really fits my multi-device use case much better than Obsidian ever did (even with its paid sync plugin).
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I [recently posted on my other blog](https://srsbsns.lol/is-silverbullet-the-note-keeping-silver-bullet/) about trying out [SilverBullet](https://silverbullet.md), an open-source self-hosted web-based note-keeping app. SilverBullet has continued to impress me as I use it and learn more about its [features](https://silverbullet.md/SilverBullet@1992). It really fits my multi-device use case much better than Obsidian ever did (even with its paid sync plugin).
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In that post, I shared a brief overview of how I set up SilverBullet:
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cd /opt/silverbullet
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```
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### SilverBullet
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### SilverBullet Setup
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The documentation offers easy-to-follow guidance on [installing SilverBullet with Docker Compose](https://silverbullet.md/Install/Docker), and that makes for a pretty good starting point. The only change I make here is setting the `SB_USER` variable from an environment variable instead of directly in the YAML:
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```yaml
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# torchlight! {"lineNumbers":true}
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# docker-compose.yml
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services:
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silverbullet:
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image: zefhemel/silverbullet
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- /var/run/docker.sock:/var/run/docker.sock
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```
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I used a password manager to generate a random password *and username*, and I store those in a `.env` file alongside the Docker Compose configuration. For example:
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I used a password manager to generate a random password *and username*, and I stored those in a `.env` file alongside the Docker Compose configuration; I'll need those credentials to log in to each SilverBullet session. For example:
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```text
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```shell
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# .env
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SB_CREDS='alldiaryriver:XCTpmddGc3Ga4DkUr7DnPBYzt1b'
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```
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### Tailscale
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That's all that's really needed for running SilverBullet locally, but I also want to be able to access the application from any device connected to my Tailscale tailnet. So I add in a [Tailscale sidecar](/tailscale-serve-docker-compose-sidecar/#compose-configuration), and update the `silverbullet` service to share Tailscale's network:
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That's all that's needed for running SilverBullet locally, and I *could* go ahead and `docker compose up -d` to get it running. But I really want to be able to access my notes from other systems too, so let's move on to enabling remote access right away.
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### Remote Access
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#### Tailscale
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It's no secret that I'm a [big fan of Tailscale](/secure-networking-made-simple-with-tailscale/) so I use Tailscale Serve to enable secure remote access through my tailnet. I just need to add in a [Tailscale sidecar](/tailscale-serve-docker-compose-sidecar/#compose-configuration) and update the `silverbullet` service to share Tailscale's network:
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```yaml
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# torchlight! {"lineNumbers":true}
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# docker-compose.yml
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services:
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tailscale: # [tl! ++:12 **:12]
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image: tailscale/tailscale:latest
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- 3000:3000
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network_mode: service:tailscale # [tl! ++ **]
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watchtower:
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watchtower: # [tl! collapse:4]
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image: containrrr/watchtower
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container_name: silverbullet-watchtower
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volumes:
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- /var/run/docker.sock:/var/run/docker.sock
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```
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That of course means adding a few more items to the `.env` file: a [pre-authentication key](https://tailscale.com/kb/1085/auth-keys), the hostname to use for the application's presence on my tailnet, and the `--ssh` extra argument to enable SSH access to the container (not strictly necessary, but can be handy for troubleshooting):
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That of course means adding a few more items to the `.env` file:
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- a [pre-authentication key](https://tailscale.com/kb/1085/auth-keys),
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- the hostname to use for the application's presence on my tailnet,
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- and the `--ssh` extra argument to enable SSH access to the container (not strictly necessary, but can be handy for troubleshooting).
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```text
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```shell
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# .env
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SB_CREDS='alldiaryriver:XCTpmddGc3Ga4DkUr7DnPBYzt1b'
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TS_AUTHKEY=tskey-auth-[...] [tl! ++:2 **:2]
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TS_AUTHKEY=tskey-auth-[...] # [tl! ++:2 **:2]
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TS_HOSTNAME=silverbullet
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TS_EXTRA_ARGS=--ssh
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```
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```json
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// torchlight! {"lineNumbers":true}
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// serve-config.json
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{
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"TCP": {
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"443": {
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}
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```
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### Cloudflare Tunnel
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But what if I want to consult my notes from outside of my tailnet? Sure, I *could* use [Tailscale Funnel](/tailscale-ssh-serve-funnel/#tailscale-funnel) to publish the SilverBullet service on the internet, but (1) funnel would require me to use a URL like `https://silverbullet.tailnet-name.ts.net` instead of simply `https://silverbullet.example.com` and (2) I'm still a little wary of putting a login page on the public web.
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#### Cloudflare Tunnel
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But what if I want to consult my notes from *outside* of my tailnet? Sure, I *could* use [Tailscale Funnel](/tailscale-ssh-serve-funnel/#tailscale-funnel) to publish the SilverBullet service on the internet, but (1) funnel would require me to use a URL like `https://silverbullet.tailnet-name.ts.net` instead of simply `https://silverbullet.example.com` and (2) I've seen enough traffic logs to not want to expose a login page directly to the public internet if I can avoid it.
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[Cloudflare Tunnel](/publish-services-cloudflare-tunnel/) is able to address those concerns without a lot of extra work. I can set up a tunnel at `silverbullet.example.com` and use [Cloudflare Access](https://developers.cloudflare.com/cloudflare-one/applications/configure-apps/) to put an additional challenge in front of the login page.
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I just need to add a `cloudflared` container to my stack:
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I just have to add a `cloudflared` container to my stack:
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```yaml
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# torchlight! {"lineNumbers":true}
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# docker-compose.yml
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services:
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tailscale:
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tailscale: # [tl! collapse:12]
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image: tailscale/tailscale:latest
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container_name: silverbullet-tailscale
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restart: unless-stopped
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- ./space:/space
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network_mode: service:tailscale
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watchtower:
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watchtower: # [tl! collapse:4]
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image: containrrr/watchtower
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container_name: silverbullet-watchtower
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volumes:
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- /var/run/docker.sock:/var/run/docker.sock
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```
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To get the required `$CLOUDFLARED_TOKEN`, I have to [create a new `cloudflared` tunnel](https://developers.cloudflare.com/cloudflare-one/connections/connect-networks/get-started/create-remote-tunnel/) in the Cloudflare dashboard, and then I just add the generated value to my `.env` file:
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To get the required `$CLOUDFLARED_TOKEN`, I [create a new `cloudflared` tunnel](https://developers.cloudflare.com/cloudflare-one/connections/connect-networks/get-started/create-remote-tunnel/) in the Cloudflare dashboard and add the generated token value to my `.env` file:
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```text
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```shell
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# .env
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SB_CREDS='alldiaryriver:XCTpmddGc3Ga4DkUr7DnPBYzt1b'
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TS_AUTHKEY=tskey-auth-[...]
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TS_HOSTNAME=silverbullet
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TS_EXTRA_ARGS=--ssh
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CLOUDFLARED_TOKEN=eyJhIjo[...]BNSJ9 [tl! ++ **]
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CLOUDFLARED_TOKEN=eyJhIjo[...]BNSJ9 # [tl! ++ **]
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```
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Back in the Cloudflare Tunnel setup flow, I select my desired public hostname (`silverbullet.example.com`) and then specify that the backend service is `http://localhost:3000`.
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Now I'm ready to start up my containers:
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Now I'm finally ready to start up my containers:
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```shell
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docker compose up -d # [tl! .cmd .nocopy:1,5]
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✔ Container silverbullet-cloudflared Started
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```
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### Cloudflare Access
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The finishing touch will be configuring a bit of extra protection in front of the public-facing login page, and Cloudflare Access makes that very easy. I'll just used the wizard to [add a new web application](https://developers.cloudflare.com/cloudflare-one/applications/configure-apps/) through the Cloudflare Zero Trust dashboard.
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#### Cloudflare Access
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The finishing touch will be configuring a bit of extra protection in front of the public-facing login page, and Cloudflare Access makes that very easy. I'll just use the wizard to [add a new web application](https://developers.cloudflare.com/cloudflare-one/applications/configure-apps/) through the Cloudflare Zero Trust dashboard.
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The first part of that workflow asks "What type of application do you want to add?". I select **Self-hosted**.
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@ -228,4 +239,6 @@ I'm then asked to Add Policies, and I have to start by giving a name for my poli
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And then I just click through the rest of the defaults.
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### Recap
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So now I have deployed SilverBullet in Docker Compose on a server in my homelab. I can access it from any device on my tailnet at `https://silverbullet.tailnet-name.ts.net` (thanks to the magic of Tailscale Serve). And I can visit it on external devices at `https://silverbullet.example.com` (thanks to Cloudflare Tunnel),
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So now I have SilverBullet running in Docker Compose on a server in my homelab. I can access it from any device on my tailnet at `https://silverbullet.tailnet-name.ts.net` (thanks to the magic of Tailscale Serve). I can also get to it from outside my tailnet at `https://silverbullet.example.com` (thanks to Cloudflare Tunnel), and but I'll use a one-time passcode sent to my approved email address before also authenticating through the SilverBullet login page (thanks to Cloudflare Access).
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I think it's a pretty sweet setup that gives me full control and ownership of my notes and lets me read/write my notes from multiple devices without having to worry about synchronization.
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