Merge pull request #1567 from SkynetLabs/use-api-password-from-env

allow to use skyd api password from env

docker/nginx/libs/skynet/utils.lua

@@ -1,14 +1,19 @@
 local _M = {}
 
 function _M.authorization_header()
+    -- read api password from env variable
+    local apipassword = os.getenv("SIA_API_PASSWORD")
+    -- if api password is not available as env variable, read it from disk
+    if not apipassword then
         local b64 = require("ngx.base64")
         -- open apipassword file for reading (b flag is required for some reason)
         -- (file /etc/.sia/apipassword has to be mounted from the host system)
         local apipassword_file = io.open("/data/sia/apipassword", "rb")
         -- read apipassword file contents and trim newline (important)
-    local apipassword = apipassword_file:read("*all"):gsub("%s+", "")
+        apipassword = apipassword_file:read("*all"):gsub("%s+", "")
         -- make sure to close file after reading the password
         apipassword_file.close()
+    end
     -- encode the user:password authorization string
     -- (in our case user is empty so it is just :password)
     local content = b64.encode_base64url(":" .. apipassword)

docker/nginx/nginx.conf

@@ -30,6 +30,7 @@ env SKYNET_PORTAL_API;
 env SKYNET_SERVER_API;
 env PORTAL_MODULES;
 env ACCOUNTS_LIMIT_ACCESS;
+env SIA_API_PASSWORD;
 
 events {
     worker_connections 8192;