switch from host to bridge networking

Dockerfile.node1

@@ -10,5 +10,4 @@ RUN go get -d -v ./...
 RUN go build -o bin/chubby chubby/cmd/main.go
 
 # Run chubby exec
-# Default ports: listen on :5379, raftbind :15379
-CMD ["bin/chubby", "-id", "node1"]
+CMD ["bin/chubby", "-id", "node1", "-listen", "172.20.128.1:5379", "-raftbind", "172.20.128.1:15379"]

Dockerfile.node2

@@ -10,4 +10,4 @@ RUN go get -d -v ./...
 RUN go build -o bin/chubby chubby/cmd/main.go
 
 # Run chubby exec
-CMD ["bin/chubby", "-id", "node2", "-listen", ":6379", "-raftbind", ":16379", "-join", "localhost:5379"]
+CMD ["bin/chubby", "-id", "node2", "-listen", "172.20.128.2:5379", "-raftbind", "172.20.128.2:15379", "-join", "172.20.128.1:5379"]

Dockerfile.node3

@@ -10,4 +10,4 @@ RUN go get -d -v ./...
 RUN go build -o bin/chubby chubby/cmd/main.go
 
 # Run chubby exec
-CMD ["bin/chubby", "-id", "node3", "-listen", ":7379", "-raftbind", ":17379", "-join", "localhost:5379"]
+CMD ["bin/chubby", "-id", "node3", "-listen", "172.20.128.3:5379", "-raftbind", "172.20.128.3:15379", "-join", "172.20.128.1:5379"]

Dockerfile.node4

@@ -10,4 +10,4 @@ RUN go get -d -v ./...
 RUN go build -o bin/chubby chubby/cmd/main.go
 
 # Run chubby exec
-CMD ["bin/chubby", "-id", "node4", "-listen", ":8379", "-raftbind", ":18379", "-join", "localhost:5379"]
+CMD ["bin/chubby", "-id", "node4", "-listen", "172.20.128.4:5379", "-raftbind", "172.20.128.4:15379", "-join", "172.20.128.1:5379"]

Dockerfile.node5

@@ -10,4 +10,4 @@ RUN go get -d -v ./...
 RUN go build -o bin/chubby chubby/cmd/main.go
 
 # Run chubby exec
-CMD ["bin/chubby", "-id", "node5", "-listen", ":9379", "-raftbind", ":19379", "-join", "localhost:5379"]
+CMD ["bin/chubby", "-id", "node5", "-listen", "172.20.128.5:5379", "-raftbind", "172.20.128.5:15379", "-join", "172.20.128.1:5379"]

chubby/client/network.go

@@ -5,9 +5,9 @@ package client
 // We assume that any Chubby node must have one of these addresses.
 // Yes this is gross but we're doing it anyway because of time constraints
 var PossibleServerAddrs = map[string]bool {
-	":5379": true,
-	":6379": true,
-	":7379": true,
-	":8379": true,
-	":9379": true,
+	"172.20.128.1:5379": true,
+	"172.20.128.2:5379": true,
+	"172.20.128.3:5379": true,
+	"172.20.128.4:5379": true,
+	"172.20.128.5:5379": true,
 }

docker-compose.yml

@@ -4,36 +4,51 @@ services:
         build:
             context: .
             dockerfile: Dockerfile.node1
-        network_mode: host
+        networks:
+            static-network:
+                ipv4_address: 172.20.128.1
     node2:
         build:
             context: .
             dockerfile: Dockerfile.node2
-        network_mode: host
         restart: on-failure
         depends_on:
             - "node1"
+        networks:
+            static-network:
+                ipv4_address: 172.20.128.2
     node3:
         build:
             context: .
             dockerfile: Dockerfile.node3
-        network_mode: host
         restart: on-failure
         depends_on:
             - "node1"
+        networks:
+            static-network:
+                ipv4_address: 172.20.128.3
     node4:
         build:
             context: .
             dockerfile: Dockerfile.node4
-        network_mode: host
         restart: on-failure
         depends_on:
             - "node1"
+        networks:
+            static-network:
+                ipv4_address: 172.20.128.4
     node5:
         build:
             context: .
             dockerfile: Dockerfile.node5
-        network_mode: host
         restart: on-failure
         depends_on:
             - "node1"
+        networks:
+            static-network:
+                ipv4_address: 172.20.128.5
+networks:
+    static-network:
+        ipam:
+            config:
+                - subnet: 172.20.0.0/16