add support for multiple tags and push.

build

@@ -14,12 +14,13 @@ function help() {
   echo "Usage: $0"
   echo "  -p, --platform : The platform (default: linux/amd64)"
   echo "  -i, --image    : The image name prefix (default: ghcr.io/m1k1o/neko)"
-  echo "  -v, --version  : The version (default: latest)"
+  echo "  -t, --tag      : The image tag (default: latest)"
   echo "  -f, --flavor   : The flavor, if not specified, builds without flavor"
-  echo "  -b, --base     : The base image name (default: ghcr.io/m1k1o/neko/[<flavor>-]base:<version>)"
+  echo "  -b, --base     : The base image name (default: ghcr.io/m1k1o/neko/[<flavor>-]base:<tag>)"
   echo "  -a, --app      : The app to build, if not specified, builds the base image"
   echo "  -y, --yes      : Skip confirmation prompts"
   echo "      --no-cache : Build without docker cache"
+  echo "      --push     : Push the image to the registry after building"
   echo "  -h, --help     : Show this help message"
 }
 
@@ -28,31 +29,37 @@ while [[ "$#" -gt 0 ]]; do
   case $1 in
     --platform|-p) PLATFORM="$2"; shift ;;
     --image|-i) IMAGE="$2"; shift ;;
-    --version|-v) VERSION="$2"; shift ;;
+    --tag|-t)
+      # comma separated list of TAGS
+      IFS=',' read -r -a TAGS <<< "$2"
+      # default tag is the first one
+      TAG="${TAGS[0]}"
+      shift ;;
     --flavor|-f) FLAVOR="$2"; shift ;;
     --base|-b) BASE_IMAGE="$2"; shift ;;
     --app|-a) APPLICATION="$2"; shift ;;
     --yes|-y) YES=1 ;;
     --no-cache) NO_CACHE="--no-cache" log "Building without cache" ;;
+    --push) PUSH=1 ;;
     --help|-h) help; exit 0 ;;
     -*) log "Unknown parameter passed: $1"; help; exit 1 ;;
     *) 
       if [ -z "$FULL_IMAGE" ]; then
         FULL_IMAGE="$1"
 
-        # extracts image, flavor, app and version from the full image name
+        # extracts image, flavor, app and tag from the full image name
         # example:
         #  ghcr.io/m1k1o/neko/nvidia-firefox:latest
         # will be split into:
         #   IMAGE=ghcr.io/m1k1o/neko
         #   FLAVOR=nvidia
         #   APPLICATION=firefox
-        #   VERSION=latest
+        #   TAG=latest
         
         # remove the tag from the image name
         if [[ "$FULL_IMAGE" == *":"* ]]; then
           # removes everything before the last :
-          VERSION="${FULL_IMAGE##*:}" # will be latest
+          TAG="${FULL_IMAGE##*:}" # will be latest
           # removes everything after the last :
           FULL_IMAGE="${FULL_IMAGE%:*}" # will be ghcr.io/m1k1o/neko/nvidia-firefox
         fi
@@ -114,6 +121,36 @@ function build_image() {
   docker build --platform $PLATFORM $NO_CACHE $@
 }
 
+function tag_image() {
+  local IMAGE="$1"
+  local IMAGE_NO_TAG="${IMAGE%:*}"
+  local IMAGE_TAG="${IMAGE##*:}"
+
+  for TAG in "${TAGS[@]}"; do
+    # skip if the tag is the same as the image tag
+    if [ "$TAG" == "$IMAGE_TAG" ]; then
+      continue
+    fi
+
+    log "Tagging $IMAGE with tag $TAG"
+    docker tag $IMAGE $IMAGE_NO_TAG:$TAG
+  done
+}
+
+function push_image() {
+  if [ -z "$PUSH" ]; then
+    return 0
+  fi
+
+  local IMAGE="$1"
+  local IMAGE_NO_TAG="${IMAGE%:*}"
+
+  for TAG in "${TAGS[@]}"; do
+    log "Pushing $IMAGE_NO_TAG:$TAG to registry"
+    docker push $IMAGE_NO_TAG:$TAG
+  done
+}
+
 # --------------------------------------------------------------------
 
 if [ -z "$PLATFORM" ]; then
@@ -126,10 +163,14 @@ if [ -z "$IMAGE" ]; then
 fi
 log "Using image: $IMAGE"
 
-if [ -z "$VERSION" ]; then
+if [ -z "$TAG" ]; then
-  VERSION="latest"
+  TAG="latest"
+  TAGS=($TAG)
 fi
-log "Using version: $VERSION"
+
+for TAG in "${TAGS[@]}"; do
+  log "Using tag: $TAG"
+done
 
 if [ -z "$FLAVOR" ]; then
   log "No flavor specified, building without flavor"
@@ -139,9 +180,9 @@ fi
 
 if [ -z "$BASE_IMAGE" ]; then
   if [ -z "$FLAVOR" ]; then
-    BASE_IMAGE="$IMAGE/base:$VERSION"
+    BASE_IMAGE="$IMAGE/base:$TAG"
   else
-    BASE_IMAGE="$IMAGE/$FLAVOR-base:$VERSION"
+    BASE_IMAGE="$IMAGE/$FLAVOR-base:$TAG"
   fi
 fi
 
@@ -159,7 +200,7 @@ if [ ! -z "$APPLICATION" ]; then
   fi
 
   # flavor is specified, append it to the image name and Dockerfile
-  APPLICATION_IMAGE="$IMAGE/$APPLICATION:$VERSION"
+  APPLICATION_IMAGE="$IMAGE/$APPLICATION:$TAG"
   APPLICATION_DOCKERFILE="apps/$APPLICATION/Dockerfile"
   if [ ! -z "$FLAVOR" ]; then
     APPLICATION_IMAGE="$IMAGE/$FLAVOR-$APPLICATION"
@@ -177,6 +218,10 @@ if [ ! -z "$APPLICATION" ]; then
     -t $APPLICATION_IMAGE \
     -f $APPLICATION_DOCKERFILE \
     $APPLICATION_DIR
+
+  tag_image $APPLICATION_IMAGE
+  push_image $APPLICATION_IMAGE
+
   exit 0
 fi
 
@@ -220,3 +265,6 @@ build_image -t $BASE_IMAGE -f - . <<EOF
   
   COPY config.yml /etc/neko/neko.yaml
 EOF
+
+tag_image $BASE_IMAGE
+push_image $BASE_IMAGE