SSR assets takes a lot of time to be build

[magul]

[dev.volontulo.pl] run: $(npm bin)/ng build --prod --env=dev.volontulo.pl
[dev.volontulo.pl] out: Now using node v9.3.0 (npm v5.5.1)
[dev.volontulo.pl] out:  10% building modules 3/4 modules 1 active ...lontulo/frontend/src/sass/styles.scssNode#moveTo was deprecated. Use Container#append.
Date: 2018-08-25T11:28:58.359Z
[dev.volontulo.pl] out: Hash: 57acd9593ce5d5ce06f3
[dev.volontulo.pl] out: Time: 476016ms
[dev.volontulo.pl] out: chunk {0} polyfills.47853ebf6acf9efe05b4.bundle.js (polyfills) 65.6 kB [initial] [rendered]
[dev.volontulo.pl] out: chunk {1} main.9f9c2382bd1512471fb9.bundle.js (main) 998 kB [initial] [rendered]
[dev.volontulo.pl] out: chunk {2} styles.9d5b53d53f7909386e52.bundle.css (styles) 149 kB [initial] [rendered]
[dev.volontulo.pl] out: chunk {3} inline.2ffaaefed0b4eb2b6ad4.bundle.js (inline) 1.45 kB [entry] [rendered]
[dev.volontulo.pl] out: 
[dev.volontulo.pl] run: $(npm bin)/ng build --prod --env=dev.volontulo.pl --app 1 --output-hashing=false
[dev.volontulo.pl] out: Now using node v9.3.0 (npm v5.5.1)
[dev.volontulo.pl] out:  10% building modules 3/4 modules 1 active ...lontulo/frontend/src/sass/styles.scssNode#moveTo was deprecated. Use Container#append.
Date: 2018-08-25T11:29:50.526Z
[dev.volontulo.pl] out: Hash: e672446f34ba46f1588d
[dev.volontulo.pl] out: Time: 45851ms
[dev.volontulo.pl] out: chunk {0} main.bundle.js (main) 657 kB [entry] [rendered]
[dev.volontulo.pl] out: chunk {1} polyfills.bundle.js (polyfills) 859 bytes [entry] [rendered]
[dev.volontulo.pl] out: chunk {2} styles.bundle.css (styles) 149 kB [entry] [rendered]
[dev.volontulo.pl] out: 
[dev.volontulo.pl] run: ./node_modules/.bin/webpack --config webpack.server.config.js --progress --colors
[dev.volontulo.pl] out: Now using node v9.3.0 (npm v5.5.1)
[dev.volontulo.pl] out: Hash: c6daf355d33f19820356
[dev.volontulo.pl] out: Version: webpack 3.10.0
[dev.volontulo.pl] out: Time: 19139ms
[dev.volontulo.pl] out:        Asset     Size  Chunks                    Chunk Names
[dev.volontulo.pl] out:    server.js  7.45 MB       0  [emitted]  [big]  server
[dev.volontulo.pl] out: prerender.js  6.74 MB       1  [emitted]  [big]  prerender
[dev.volontulo.pl] out:  [139] ./src lazy 160 bytes {0} {1} [built]
[dev.volontulo.pl] out:  [246] ./dist/server/main.bundle.js 657 kB {0} {1} [built]
[dev.volontulo.pl] out:  [414] ./server.ts 2.17 kB {0} [built]
[dev.volontulo.pl] out:  [466] ./src 160 bytes {0} [built]
[dev.volontulo.pl] out:  [472] (webpack)/buildin/module.js 517 bytes {0} [built]
[dev.volontulo.pl] out:  [489] ./prerender.ts 1.81 kB {1} [built]
[dev.volontulo.pl] out:  [490] ./static.paths.ts 98 bytes {1} [built]
[dev.volontulo.pl] out:     + 484 hidden modules
[dev.volontulo.pl] out: