Initial cut of listmonk setup

infra/services/listmonk/README.md

@@ -0,0 +1,54 @@
+# Listmonk
+
+We use [Listmonk](https://listmonk.app/) to manage our mailing lists.
+
+- Museum lets Listmonk know about new users and account deletion (this allows
+  Listmonk to create corresponding accounts).
+
+- Subsequently, Listmonk handles user subscription / unsubscription etc
+  (Listmonk stores its data in an external Postgres).
+
+## Installing
+
+Install [nginx](../nginx/README.md).
+
+Add Listmonk's configuration.
+
+```sh
+sudo mkdir -p /root/listmonk
+sudo tee /root/listmonk/config.toml
+```
+
+Add the service definition and nginx configuration.
+
+```sh
+scp services/listmonk/listmonk.* <instance>:
+
+sudo mv listmonk.service /etc/systemd/system/
+sudo mv listmonk.nginx.conf /root/nginx/conf.d
+```
+
+> The very first time we ran Listmonk, at this point we also needed to get it to
+> install the tables it needs in the Postgres DB. For this, we used the
+> `initialize-db.sh` script.
+>
+> ```sh
+> scp services/listmonk/initialize-db.sh <instance>:
+>
+> sudo ./initialize-db.sh
+> rm initialize-db.sh
+> ```
+
+Tell systemd to pick up new service definitions, enable the unit (so that it
+automatically starts on boot), and start it this time around.
+
+```sh
+sudo systemctl daemon-reload
+sudo systemctl enable --now listmonk
+```
+
+Tell nginx to pick up the new configuration.
+
+```sh
+sudo systemctl reload nginx
+```

infra/services/listmonk/initialize-db.sh

@@ -0,0 +1,15 @@
+#!/bin/sh
+
+# This script needs to be manually run the once (and only once) before starting
+# Listmonk for the first time. It uses the provided credentials to initialize
+# its database.
+
+set -o errexit
+set -o xtrace
+
+docker pull listmonk/listmonk
+
+docker run --rm --name listmonk \
+    -p 9000:9000 \
+    -v /root/listmonk/config.toml:/listmonk/config.toml:ro \
+    listmonk/listmonk ./listmonk --install

infra/services/listmonk/listmonk.nginx.conf

@@ -0,0 +1,24 @@
+# This file gets loaded in a top level http block by the default nginx.conf
+# See infra/services/nginx/README.md for more details.
+
+server {
+    listen 443 ssl;
+    listen [::]:443 ssl;
+    http2 on;
+    ssl_certificate         /etc/ssl/certs/cert.pem;
+    ssl_certificate_key     /etc/ssl/private/key.pem;
+
+    server_name lists.ente.io;
+
+    location / {
+        proxy_pass http://host.docker.internal:9000;
+        proxy_set_header Host $host;
+        proxy_set_header X-Real-IP $remote_addr;
+        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+        proxy_set_header X-Forwarded-Proto $scheme;
+
+        # Use HTTP/1.1 when talking to upstream
+        proxy_http_version 1.1;
+        proxy_set_header Connection "";
+    }
+}

infra/services/listmonk/listmonk.service

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+[Unit]
+Documentation=https://listmonk.app/docs/installation/
+Requires=docker.service
+After=docker.service
+
+[Install]
+WantedBy=multi-user.target
+
+[Service]
+ExecStartPre=docker pull listmonk/listmonk
+ExecStartPre=-docker stop listmonk
+ExecStartPre=-docker rm listmonk
+ExecStart=docker run --name listmonk \
+    -p 9000:9000 \
+    -v /root/listmonk/config.toml:/listmonk/config.toml:ro \
+    listmonk/listmonk

infra/services/status/uptime-kuma.nginx.conf

@@ -2,8 +2,9 @@
 # See infra/services/nginx/README.md for more details.
 
 server {
-    listen 443 ssl http2;
+    listen 443 ssl;
-    listen [::]:443 ssl http2;
+    listen [::]:443 ssl;
+    http2 on;
     ssl_certificate         /etc/ssl/certs/cert.pem;
     ssl_certificate_key     /etc/ssl/private/key.pem;