portal-ng pods run under root user

- switch base image from openresty to nginx-unprivileged
- remove custom lua plugin code
- dynamically determine dns resolver ip during container startup

Issue-ID: PORTALNG-67
Change-Id: I23fb5e684dbb98a326afb00911a1f5ae78e2536d
Signed-off-by: Fiete Ostkamp <Fiete.Ostkamp@telekom.de>

1 files changed, 0 insertions, 43 deletions

diff --git a/server/resty/session/compressors/zlib.lua b/server/resty/session/compressors/zlib.lua
deleted file mode 100644
index 1d23be0..0000000
--- a/server/resty/session/compressors/zlib.lua
+++ /dev/null
@@ -1,43 +0,0 @@
-local zlib   = require "ffi-zlib"
-local sio    = require "pl.stringio"
-
-local concat = table.concat
-
-local function gzip(func, input)
-    local stream = sio.open(input)
-    local output = {}
-    local n = 0
-
-    local ok, err = func(function(size)
-        return stream:read(size)
-    end, function(data)
-        n = n + 1
-        output[n] = data
-    end, 8192)
-
-    if not ok then
-        return nil, err
-    end
-
-    if n == 0 then
-        return ""
-    end
-
-    return concat(output, nil, 1, n)
-end
-
-local compressor = {}
-
-function compressor.new()
-    return compressor
-end
-
-function compressor.compress(_, data)
-    return gzip(zlib.deflateGzip, data)
-end
-
-function compressor.decompress(_, data)
-    return gzip(zlib.inflateGzip, data)
-end
-
-return compressor