Docker2

C:\Users\Admin\Documents\Programming\DSXT\docker-bitcoid>docker build -t bitcoind-test .
Sending build context to Docker daemon  6.656kB
Step 1/15 : FROM ubuntu:16.04
 ---> 5f2bf26e3524
Step 2/15 : RUN apt-get update
 ---> Using cache
 ---> 0ce13b0dd195
Step 3/15 : RUN apt-get install --yes software-properties-common
 ---> Using cache
 ---> 6bd8f9ac5eb1
Step 4/15 : RUN add-apt-repository --yes ppa:bitcoin/bitcoin
 ---> Using cache
 ---> fe7836a7ab06
Step 5/15 : RUN apt-get update
 ---> Using cache
 ---> bb429c48e3b4
Step 6/15 : RUN apt-get install --yes bitcoind
 ---> Using cache
 ---> 2b6da9834441
Step 7/15 : ADD . /home/bitcoind-testnet
 ---> Using cache
 ---> bd96006ffe46
Step 8/15 : ENV alice_dir=/home/bitcoind-testnet/nodes/alice
 ---> Using cache
 ---> 25c1f7253ece
Step 9/15 : ENV bob_dir=/home/bitcoind-testnet/nodes/alice
 ---> Using cache
 ---> 901054666907
Step 10/15 : EXPOSE 18443
 ---> Using cache
 ---> ea96d101d739
Step 11/15 : RUN bitcoind -datadir=$alice_dir -deprecatedrpc=generate &
 ---> Using cache
 ---> 42da1805af25
Step 12/15 : EXPOSE 18444
 ---> Using cache
 ---> 38434bef0c8f
Step 13/15 : RUN bitcoind -datadir=$bob_dir -deprecatedrpc=generate &
 ---> Using cache
 ---> 51f5ca216f1c
Step 14/15 : RUN bitcoin-cli -datadir=$alice_dir getbalance
 ---> Running in 933a257562fa
error: Could not connect to the server 127.0.0.1:18443

Make sure the bitcoind server is running and that you are connecting to the correct RPC port.
The command '/bin/sh -c bitcoin-cli -datadir=$alice_dir getbalance' returned a non-zero code: 1