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86 lines
1.9 KiB
Markdown
86 lines
1.9 KiB
Markdown
# Redis
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<a href="https://youtu.be/L3zp347cWNw" title="redis-intro"><img src="https://i.ytimg.com/vi/L3zp347cWNw/hqdefault.jpg" width="20%" alt="redis-intro" /></a>
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## Docker
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Docker image over [here](https://hub.docker.com/_/redis)
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## Running redis
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```
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docker network create redis
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docker run -it --rm --name redis --net redis -p 6379:6379 redis:6.0-alpine
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```
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## Configuration
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Redis configuration documentation [here](https://redis.io/topics/config)
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Starting Redis with a custom config
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```
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cd .\storage\redis\
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docker run -it --rm --name redis --net redis -v ${PWD}/config:/etc/redis/ redis:6.0-alpine redis-server /etc/redis/redis.conf
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```
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## Security
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Redis should not be exposed to public.
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Always use a strong password in `redis.conf`
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```
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requirepass SuperSecretSecureStrongPass
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```
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## Persistence
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Redis Persistence Documentation [here](https://redis.io/topics/persistence)
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```
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docker volume create redis
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cd .\storage\redis\
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docker run -it --rm --name redis --net redis -v ${PWD}/config:/etc/redis/ -v redis:/data/ redis:6.0-alpine redis-server /etc/redis/redis.conf
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```
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## Redis client application
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An example application that reads a key from Redis, increments it and writes it back to Redis.
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```
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cd .\storage\redis\applications\client\
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# start go dev environment
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docker run -it -v ${PWD}:/go/src -w /go/src --net redis -p 80:80 golang:1.14-alpine
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go build client.go
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# start the app
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./client
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# build the container
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docker build . -t aimvector/redis-client:v1.0.0
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```
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Run our application
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```
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cd .\storage\redis\applications\client\
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docker build . -t aimvector/redis-client:v1.0.0
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docker run -it --net redis `
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-e REDIS_HOST=redis `
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-e REDIS_PORT=6379 `
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-e REDIS_PASSWORD="SuperSecretSecureStrongPass" `
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-p 80:80 `
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aimvector/redis-client:v1.0.0
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```
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## Redis Replication and High Availability
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Lets move on to the [clustering](./clustering/readme.md) secion. |