Implement env parsing from env vars when config file is not passed · G-Research/unicorn-history-server@01019f9

Error return value of `os.Remove` is not checked (errcheck)

Error return value of `os.Setenv` is not checked (errcheck)

Error return value of `os.Setenv` is not checked (errcheck)

Error return value of `os.Setenv` is not checked (errcheck)

G112: Potential Slowloris Attack because ReadHeaderTimeout is not configured in the http.Server (gosec)

G107: Potential HTTP request made with variable url (gosec)

G107: Potential HTTP request made with variable url (gosec)

G107: Potential HTTP request made with variable url (gosec)

avoid direct access to proto field ev.Type, use ev.GetType() instead (protogetter)

avoid direct access to proto field ev.Type, use ev.GetType() instead (protogetter)

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