Fix docker deployment (#27)

Author: ansermino

.travis.yml

@@ -9,6 +9,7 @@ cache: cargo
 env:
   global:
     - RUST_BACKTRACE=1
+    - IMAGE_NAME="chainsafe/chainbridge-substrate-chain"
 
 before_install:
   - df -h
@@ -18,14 +19,14 @@ jobs:
     - stage: "Build"
       name: Build (WASM and native)
       script:
-        - RUST_TOOLCHAIN=nightly-2020-08-16 TARGET=build-client travis_wait 180 ./scripts/ci.sh
+        - travis_wait 180 docker build -t $IMAGE_NAME:latest .
       deploy:
         - provider: script
-          script: TARGET=default travis_wait 180 ./scripts/ci_docker.sh
+          script: TARGET=default ./scripts/ci_docker.sh
           on:
             branch: master
         - provider: script
-          script: TAG=$TRAVIS_TAG TARGET=release travis_wait 180 ./scripts/ci_docker.sh
+          script: TAG=$TRAVIS_TAG TARGET=release ./scripts/ci_docker.sh
           on:
             tags: true
 

scripts/ci_docker.sh

@@ -8,18 +8,15 @@ TAG=${TAG:-"${TIMESTAMP}-${GIT_SHORT_COMMIT}"}
 
 case $TARGET in
   "default")
-    echo "Pushing image with tags \"latest\" and \"$TAG\""
-    docker build $BUILD_ARGS -t ${IMAGE_NAME}:${TAG} .
-    docker tag "${IMAGE_NAME}:${TAG}" "${IMAGE_NAME}:latest"
+    echo "Pushing image with tag $TAG"
+    docker tag ${IMAGE_NAME}:latest ${IMAGE_NAME}:${TAG}
     echo "$DOCKER_PASSWORD" | docker login -u "$DOCKER_USERNAME" --password-stdin
-    docker push ${IMAGE_NAME}:latest
     docker push ${IMAGE_NAME}:${TAG}
     ;;
 
   "release")
     echo "Pushing image with tag $TAG"
-    docker build $BUILD_ARGS -t ${IMAGE_NAME}:${TAG} .
-    docker tag "${IMAGE_NAME}:${TAG}"
+    docker tag ${IMAGE_NAME}:latest ${IMAGE_NAME}:${TAG}
     echo "$DOCKER_PASSWORD" | docker login -u "$DOCKER_USERNAME" --password-stdin
     docker push ${IMAGE_NAME}:${TAG}
     ;;