deploy redis to fly.io

deployments/quirrel-redis/Dockerfile

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+FROM redis:alpine
+
+ADD start-redis-server.sh /usr/bin/
+RUN chmod +x /usr/bin/start-redis-server.sh
+
+CMD ["start-redis-server.sh"]

deployments/quirrel-redis/fly.toml

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+app = "quirrel-redis-prod"
+
+[[mounts]]
+  destination = "/data"
+  source = "redis_data"

deployments/quirrel-redis/readme.md

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+# Redis
+
+Redis instance running on fly.io
+
+### How to
+
+```shell
+flyctl launch --name quirrel-redis-prod
+node -e "console.log(crypto.randomBytes(16).toString('hex'))" # copy its output
+flyctl secrets set REDIS_PASSWORD= # paste the 32-character long password copied previously
+flyctl volumes create redis_data --region cdg
+flyctl deploy
+```

deployments/quirrel-redis/start-redis-server.sh

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+#!/bin/sh
+sysctl vm.overcommit_memory=1
+sysctl net.core.somaxconn=1024
+redis-server --requirepass $REDIS_PASSWORD --dir /data/ --appendonly yes