diff --git a/.semaphoreci/setup.sh b/.semaphoreci/setup.sh
index 52f253d1d..e8c6e1e2e 100755
--- a/.semaphoreci/setup.sh
+++ b/.semaphoreci/setup.sh
@@ -1,7 +1,11 @@
 #!/usr/bin/env bash
 set -e
 
+sudo -E apt-get -yq update
+sudo -E apt-get -yq --no-install-suggests --no-install-recommends --force-yes install docker-engine=${DOCKER_VERSION}*
+docker version
+
 pip install --user -r requirements.txt
 
 make pull-images
-make validate
+ci_retry make validate
diff --git a/.semaphoreci/tests.sh b/.semaphoreci/tests.sh
index 15bb0fa6b..2a586ccf6 100755
--- a/.semaphoreci/tests.sh
+++ b/.semaphoreci/tests.sh
@@ -1,5 +1,6 @@
 #!/usr/bin/env bash
 set -e
 
-make test-unit && make test-integration
+make test-unit
+ci_retry make test-integration
 make -j${N_MAKE_JOBS} crossbinary-default-parallel
diff --git a/.semaphoreci/vars b/.semaphoreci/vars
index 15a5e501d..5d2eb94ed 100644
--- a/.semaphoreci/vars
+++ b/.semaphoreci/vars
@@ -5,6 +5,8 @@ export secure='btt4r13t09gQlHb6gYrvGC2yGCMMHfnp1Mz1RQedc4Mpf/FfT8aE6xmK2a2i9CCvs
 
 export REPO='containous/traefik'
 
+export DOCKER_VERSION=1.12.6
+
 if VERSION=$(git describe --exact-match --abbrev=0 --tags);
 then
   export VERSION
@@ -15,3 +17,25 @@ fi
 export CODENAME=raclette
 
 export N_MAKE_JOBS=2
+
+
+function ci_retry {
+
+    local NRETRY=3
+    local NSLEEP=5
+    local n=0
+
+    until [ $n -ge $NRETRY ]
+    do
+        "$@" && break
+        n=$[$n+1]
+        echo "$@ failed, attempt ${n}/${NRETRY}"
+        sleep $NSLEEP
+    done
+
+    [ $n -lt $NRETRY ]
+
+}
+
+export -f ci_retry
+
diff --git a/.travis.yml b/.travis.yml
index fdcdab568..919533465 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -11,32 +11,20 @@ env:
     - VERSION: $TRAVIS_TAG
     - CODENAME: raclette
     - N_MAKE_JOBS: 2
+    - DOCKER_VERSION: 1.12.6
 
-matrix:
-  fast_finish: true
-  include:
-  - env: DOCKER_VERSION=1.10.3
-  - env: DOCKER_VERSION=1.12.6
-
-before_install:
-  - sudo -E apt-get -yq update
-  - sudo -E apt-get -yq --no-install-suggests --no-install-recommends --force-yes install docker-engine=${DOCKER_VERSION}*
-install:
-  - docker version
-  - pip install --user -r requirements.txt
-  - make pull-images
-before_script:
-  - make validate
 script:
-  - make test-unit && travis_retry make test-integration
-  - make -j${N_MAKE_JOBS} crossbinary-default-parallel
-after_failure:
-  - docker ps
+- echo "Skipping tests... (Tests are executed on SemaphoreCI)"
+
 before_deploy:
   - >
     if ! [ "$BEFORE_DEPLOY_RUN" ]; then
       export BEFORE_DEPLOY_RUN=1;
-      make -j${N_MAKE_JOBS} crossbinary-others-parallel;
+      sudo -E apt-get -yq update;
+      sudo -E apt-get -yq --no-install-suggests --no-install-recommends --force-yes install docker-engine=${DOCKER_VERSION}*;
+      docker version;
+      pip install --user -r requirements.txt;
+      make -j${N_MAKE_JOBS} crossbinary-parallel;
       make image;
       mkdocs build --clean;
       tar cfz dist/traefik-${VERSION}.src.tar.gz --exclude-vcs --exclude dist .;
diff --git a/integration/resources/compose/boulder.yml b/integration/resources/compose/boulder.yml
index 8320c6a92..f1f954377 100644
--- a/integration/resources/compose/boulder.yml
+++ b/integration/resources/compose/boulder.yml
@@ -39,6 +39,6 @@ bmysql:
         MYSQL_ALLOW_EMPTY_PASSWORD: "yes"
     log_driver: none
 brabbitmq:
-    image: rabbitmq:3
+    image: rabbitmq:3-alpine
     environment:
         RABBITMQ_NODE_IP_ADDRESS: "0.0.0.0"
diff --git a/integration/resources/compose/constraints.yml b/integration/resources/compose/constraints.yml
index 9a2688904..1d5395281 100644
--- a/integration/resources/compose/constraints.yml
+++ b/integration/resources/compose/constraints.yml
@@ -12,6 +12,6 @@ consul:
     - "8302"
     - "8302/udp"
 nginx:
-  image: nginx
+  image: nginx:alpine
   ports:
     - "8881:80"
diff --git a/integration/resources/compose/consul_catalog.yml b/integration/resources/compose/consul_catalog.yml
index 9a2688904..1d5395281 100644
--- a/integration/resources/compose/consul_catalog.yml
+++ b/integration/resources/compose/consul_catalog.yml
@@ -12,6 +12,6 @@ consul:
     - "8302"
     - "8302/udp"
 nginx:
-  image: nginx
+  image: nginx:alpine
   ports:
     - "8881:80"
diff --git a/integration/resources/compose/file.yml b/integration/resources/compose/file.yml
index acd082616..1d3dddd1d 100644
--- a/integration/resources/compose/file.yml
+++ b/integration/resources/compose/file.yml
@@ -1,20 +1,20 @@
 nginx1:
-  image: nginx
+  image: nginx:alpine
   ports:
     - "8881:80"
 nginx2:
-  image: nginx
+  image: nginx:alpine
   ports:
     - "8882:80"
 nginx3:
-  image: nginx
+  image: nginx:alpine
   ports:
     - "8883:80"
 nginx4:
-  image: nginx
+  image: nginx:alpine
   ports:
     - "8884:80"
 nginx5:
-  image: nginx
+  image: nginx:alpine
   ports:
     - "8885:80"
diff --git a/webui/Dockerfile b/webui/Dockerfile
index 5102a3969..c78d2bfd1 100644
--- a/webui/Dockerfile
+++ b/webui/Dockerfile
@@ -7,7 +7,8 @@ RUN apt-get -yq update \
 && apt-get -yq --no-install-suggests --no-install-recommends --force-yes install apt-transport-https \
 && curl -sS https://dl.yarnpkg.com/debian/pubkey.gpg | apt-key add - \
 && echo "deb https://dl.yarnpkg.com/debian/ stable main" |  tee /etc/apt/sources.list.d/yarn.list \
-&& apt-get -yq update && apt-get -yq --no-install-suggests --no-install-recommends --force-yes install yarn
+&& apt-get -yq update && apt-get -yq --no-install-suggests --no-install-recommends --force-yes install yarn \
+&& rm -fr /var/lib/apt/lists/
 
 COPY package.json $WEBUI_DIR/
 COPY yarn.lock $WEBUI_DIR/