Azugo framework core.

• Structured logger go.uber.org/zap
• Extendable configuration viper and command line cobra support
• Caching using memory or Redis
• Logger based on zap with output compatible with ECS

• ENVIRONMENT - An App environment setting (allowed values are Development, Staging and Production).
• LOG_LEVEL - Minimal log level (defaults to info, allowed values are debug, info, warn, error, fatal, panic).

• CACHE_TYPE - Cache type to use in service (defaults to memory, allowed values are memory, redis, redis-cluster).
• CACHE_TTL - Duration on how long to keep items in cache. Defaults to 0 meaning to never expire.
• CACHE_KEY_PREFIX - Prefix all cache keys with specified value.
• CACHE_CONNECTION - If other than memory cache is used specifies connection string on how to connect to cache storage.
• CACHE_PASSWORD - Password to use in connection string.
• CACHE_PASSWORD_FILE - File to read value for CACHE_PASSWORD from.