Add a docker file

[ucwong]

No description provided.

[codecov]

Codecov Report

Merging #649 into master will decrease coverage by 0.01%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master     #649      +/-   ##
==========================================
- Coverage   46.42%   46.41%   -0.02%     
==========================================
  Files         398      398              
  Lines       50715    50715              
==========================================
- Hits        23546    23537       -9     
- Misses      25396    25403       +7     
- Partials     1773     1775       +2     

Impacted Files	Coverage Δ
trie/sync_bloom.go	60.52% <0.00%> (-5.27%)	⬇️
accounts/keystore/watch.go	91.66% <0.00%> (-4.17%)	⬇️
p2p/discover/lookup.go	95.23% <0.00%> (-1.91%)	⬇️
p2p/rlpx.go	69.40% <0.00%> (-1.70%)	⬇️
trie/proof.go	75.37% <0.00%> (-1.50%)	⬇️
core/tx_pool.go	76.60% <0.00%> (-0.81%)	⬇️
p2p/simulations/http.go	70.10% <0.00%> (+0.54%)	⬆️
rpc/client.go	81.69% <0.00%> (+0.70%)	⬆️
p2p/simulations/network.go	60.64% <0.00%> (+0.71%)	⬆️
trie/trie.go	83.40% <0.00%> (+0.85%)	⬆️
... and 3 more