Improve iovns docker and travis builds (#30)

.travis.yml

@@ -43,6 +43,7 @@ script:
       release_tag=$( [[ "$TRAVIS_TAG" != "" ]] && echo "yes" || echo "no" );
 
       if [[ $release_latest == "yes" || $release_tag == "yes" ]]; then
+        make build
         docker build --pull --tag ${IMAGE_NAME} . ;
       fi;
 

Dockerfile

@@ -1,32 +1,30 @@
-# Simple usage with a mounted data directory:
-# > docker build -t iovns .
-# > docker run -it -p 46657:46657 -p 46656:46656 -v ~/.iovnsd:/root/.iovnsd -v ~/.iovnscli:/root/.iovnscli iovns iovnsd init
-# > docker run -it -p 46657:46657 -p 46656:46656 -v ~/.iovnsd:/root/.iovnsd -v ~/.iovnscli:/root/.iovnscli iovns iovnsd start
-FROM golang:alpine AS build-env
+FROM alpine:3.11
 
-# Set up dependencies
-ENV PACKAGES curl make git libc-dev bash gcc linux-headers eudev-dev python
+ENV NSDHOME /root
+ENV NSCLIHOME /root
 
-# Set working directory for the build
-WORKDIR /go/src/github.com/iov-one/iovns
+RUN apk update && \
+    apk upgrade && \
+    apk --no-cache add curl jq && \
+    addgroup iovnsduser && \
+    adduser -S -G iovnsduser iovnsduser -h "$NSDHOME"
 
-# Add source files
-COPY . .
+# Run the container with iovnsduser by default. (UID=100, GID=1000)
+USER iovnsduser
 
-# Install minimum necessary dependencies, build Cosmos SDK, remove packages
-RUN apk add --no-cache $PACKAGES && \
-    make install
+# p2p, rpc and prometheus port
+EXPOSE 46656 46657 46660
 
-# Final image
-FROM alpine:edge
+ARG NSDBINARY=cmd/iovnsd/iovnsd
+ARG NSDCLIBINARY=cmd/iovnscli/iovnscli
 
-# Install ca-certificates
-RUN apk add --update ca-certificates
-WORKDIR /root
+COPY $NSDBINARY /usr/bin/iovnsd
+COPY $NSCLIBINARY /usr/bin/iovnscli
 
-# Copy over binaries from the build-env
-COPY --from=build-env /go/bin/iovnsd /usr/bin/iovnsd
-COPY --from=build-env /go/bin/iovnscli /usr/bin/iovnscli
+WORKDIR /root
 
 # Run iovnsd by default, omit entrypoint to ease using container with iovnscli
 CMD ["iovnsd"]
+STOPSIGNAL SIGTERM
+
+VOLUME $NSDHOME $NSCLIHOME

Makefile

@@ -9,18 +9,23 @@ ldflags = -X github.com/cosmos/cosmos-sdk/version.Name=NewApp \
 	-X github.com/cosmos/cosmos-sdk/version.ClientName=appcli \
 	-X github.com/cosmos/cosmos-sdk/version.Version=$(VERSION) \
 	-X github.com/cosmos/cosmos-sdk/version.Commit=$(COMMIT) 
-
 BUILD_FLAGS := -ldflags '$(ldflags)'
 
+export GO111MODULE := on
+
 all: install
 
 install: go.sum
-		go install -mod=readonly $(BUILD_FLAGS) ./cmd/iovnsd
-		go install -mod=readonly $(BUILD_FLAGS) ./cmd/iovnscli
+	go install -mod=readonly $(BUILD_FLAGS) ./cmd/iovnsd
+	go install -mod=readonly $(BUILD_FLAGS) ./cmd/iovnscli
+
+build: go.sum
+	GOARCH=amd64 CGO_ENABLED=0 GOOS=linux go build -o ./cmd/iovnsd -mod=readonly $(BUILD_FLAGS) ./cmd/iovnsd
+	GOARCH=amd64 CGO_ENABLED=0 GOOS=linux go build -o ./cmd/iovnscli -mod=readonly $(BUILD_FLAGS) ./cmd/iovnscli
 
 go.sum: go.mod
-		@echo "--> Ensure dependencies have not been modified"
-		GO111MODULE=on go mod verify
+	@echo "--> Ensure dependencies have not been modified"
+	GO111MODULE=on go mod verify
 
 # Uncomment when you have some tests
 # test:

cmd/iovnscli/.gitignore

@@ -0,0 +1 @@
+iovnscli

cmd/iovnsd/.gitignore

@@ -0,0 +1 @@
+iovnsd