Let Travis push tags to Docker Hub

Author: lucasvanlierop

.travis.yml

@@ -9,8 +9,12 @@ before_install:
 
 before_script:
   - docker version
+  - docker login --email=$DOCKER_EMAIL --username=$DOCKER_USERNAME --password=$DOCKER_PASSWORD
   # Ancient make binary at TravisCI doesn't support indentation with spaces
   - unexpand -t 4 Makefile > Makefile.tmp && mv Makefile.tmp Makefile
 
 script:
   - make test
+
+after_success:
+  - if [ "$TRAVIS_PULL_REQUEST" == "false" ]; then docker push domcode/raffler; fi

build.sh

@@ -1,6 +1,6 @@
 #!/bin/bash
 
-echo "Using docker(`docker version -f "{{.Server.Version}} / {{.Client.Version}}"`) to build containers..."
+echo "Using docker(`docker version -f "{{.Server.Version}} / {{.Client.Version}}"`) to build container images..."
 
 if [[ "$1" && "$1" != "--rebuild" ]]; then
     dockerfiles=("$1/Dockerfile")
@@ -10,15 +10,15 @@ fi
 
 for file in $dockerfiles; do
 	dir=${file:0:-11}
-	container=${dir/-/_}"_raffler"
-	if [[ $1 == "--rebuild" || $(docker images | awk '{print $1}' | grep -c '^'"$container"'$') -eq 0 ]]; then
-		echo "Building $container from $dir"
-		docker build -q -t "$container" "$dir"
+	tag="domcode/raffler:${dir/-/_}"
+	if [[ $1 == "--rebuild" || $(docker images | awk '{print $1}' | grep -c '^'"$tag"'$') -eq 0 ]]; then
+		echo "Building $tag from $dir"
+		docker build -q -t "$tag" "$dir"
 		if [[ $? != 0 ]]; then
 			echo "Build failed!"
 			exit 1
 		fi
 	else
-		echo "Skipping $container - already exists"
+		echo "Skipping $tag - already exists"
 	fi
 done

raffle.sh

@@ -16,12 +16,12 @@ NAMES_FILE=$(realpath "$WORKING_DIR/$1")
 cp "$NAMES_FILE" "$NAMES_DIR/current"
 
 # Raffle a raffler ;-)
-declare RAFFLER_NAMES=($(docker images | awk '{print $1}' | grep '_raffler$'))
-RANDOM_RAFFLER=${RAFFLER_NAMES[$RANDOM % ${#RAFFLER_NAMES[@]} ]}
+declare RAFFLER_TAGS=($(docker images | awk '{print $1":"$2}' | grep domcode/raffler))
+
+RANDOM_RAFFLER_TAG=${RAFFLER_TAGS[$RANDOM % ${#RAFFLER_TAGS[@]} ]}
 
 # run raffler in container with names dir mounted
-CONTAINER_NAME="${RANDOM_RAFFLER}"
-echo -e "Raffling using \033[91m$RANDOM_RAFFLER\e[0m"
+echo -e "Raffling using \033[91m$RANDOM_RAFFLER_TAG\e[0m"
 echo -e "\033[92mAnd the winner is: "
-docker run -v $NAMES_DIR:/var/names "$CONTAINER_NAME"
+docker run -v $NAMES_DIR:/var/names "$RANDOM_RAFFLER_TAG"
 echo -e "\e[0m"