Tidy

templates/watchtower/install.sh

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+#!/bin/bash
+source "$(dirname "$0")/_common.sh"
+load_env "$1" || die "Failed to load environment variables"
+
+# Required environment variables
+check_required_env_vars "CONTAINER_NAME" "IMAGE_REGISTRY" "IMAGE_REPO" "IMAGE_TAG"
+
+# Test Docker 
+_check_docker_installed || die "Docker test failed, aborting installation..."
+
+# check can pull image on remote host and exit if fails
+echo "Pulling image ${IMAGE_REGISTRY}/${IMAGE_REPO}:${IMAGE_TAG}"
+docker pull "$IMAGE_REGISTRY/$IMAGE_REPO:$IMAGE_TAG" || die "Failed to pull image $IMAGE_REGISTRY/$IMAGE_REPO:$IMAGE_TAG"
+
+# remove and restart, as the env may have changed.
+echo "Removing old container ${CONTAINER_NAME}"
+_remove_container $CONTAINER_NAME || die "Failed to remove container ${CONTAINER_NAME}"
+echo "Starting container ${CONTAINER_NAME}"
+bash ./start.sh $1 || die "Failed to start container ${CONTAINER_NAME}"
+
+echo "Installation of ${CONTAINER_NAME} complete"