add docker build infrastructure

quick start:

    docker-compose up

Signed-off-by: Simon Schubert <[email protected]>

.dockerignore

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+obc-peer
+.git

Dockerfile

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+from golang:1.5.1
+ENV GO15VENDOREXPERIMENT=1
+# Install RocksDB
+RUN cd /opt  && git clone --branch v4.1 --single-branch --depth 1 https://github.com/facebook/rocksdb.git && cd rocksdb && make shared_lib
+ENV LD_LIBRARY_PATH=/opt/rocksdb:$LD_LIBRARY_PATH
+RUN apt-get update && apt-get install -y libsnappy-dev zlib1g-dev libbz2-dev
+# Copy GOPATH src and install Peer
+RUN mkdir -p /var/openchain/db
+WORKDIR $GOPATH/src/github.com/openblockchain/obc-peer/
+COPY . .
+RUN CGO_CFLAGS="-I/opt/rocksdb/include" CGO_LDFLAGS="-L/opt/rocksdb -lrocksdb -lstdc++ -lm -lz -lbz2 -lsnappy" go install
+# RUN cd obc-ca && go install

compose-defaults.yml

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+vp:
+  build: .
+  environment:
+    - OPENCHAIN_PEER_ADDRESSAUTODETECT=true
+  command: obc-peer peer

docker-compose.yml

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+vp1:
+  extends:
+    file: compose-defaults.yml
+    service: vp
+  environment:
+    - OPENCHAIN_PEER_ID=vp1
+
+vp2:
+  extends:
+    file: compose-defaults.yml
+    service: vp
+  environment:
+    - OPENCHAIN_PEER_ID=vp2
+    - OPENCHAIN_PEER_DISCOVERY_ROOTNODE=vp1:30303
+  links:
+    - vp1
+
+vp3:
+  extends:
+    file: compose-defaults.yml
+    service: vp
+  environment:
+    - OPENCHAIN_PEER_ID=vp3
+    - OPENCHAIN_PEER_DISCOVERY_ROOTNODE=vp1:30303
+  links:
+    - vp1
+
+vp4:
+  extends:
+    file: compose-defaults.yml
+    service: vp
+  environment:
+    - OPENCHAIN_PEER_ID=vp4
+    - OPENCHAIN_PEER_DISCOVERY_ROOTNODE=vp1:30303
+  links:
+    - vp1