[next] Release (#2296)

* feat: added release process

* fix: removed debug echo's

* fix: fixed typo and bug

- replaced // with /# to remove "v" prefix only, not all "v" in string

* fix: updated docs

scripts/docker.sh

@@ -0,0 +1,98 @@
+#!/bin/bash
+
+set -e
+
+# Inspired by https://segment.com/blog/ci-at-segment/
+
+deploy_tag() {
+  # Find our individual versions from the tags. If the tag contains prerelease
+  # tag, it will fall back to the next step which will just tag it as is. For
+  # Example:
+  #
+  # v5.0.0-beta.1 will be tagged with 5.0.0-beta.1
+  # v5.0.0 will be tagged with 5, 5.0, 5.0.0
+  #
+  if [ -n "$(echo $CIRCLE_TAG | grep -E '^v[0-9]+\.[0-9]+\.[0-9]+$')" ]
+  then
+    major=$(echo ${CIRCLE_TAG/#v} | cut -d. -f1)
+    minor=$(echo ${CIRCLE_TAG/#v} | cut -d. -f2)
+    patch=$(echo ${CIRCLE_TAG/#v} | cut -d. -f3)
+
+    major_version_tag=$major
+    minor_version_tag=$major.$minor
+    patch_version_tag=$major.$minor.$patch
+
+    tag_list="$major_version_tag $minor_version_tag $patch_version_tag"
+  else
+    tag_list=${CIRCLE_TAG/#v}
+  fi
+
+  # Tag the new image with major, minor and patch version tags.
+  for version in $tag_list
+  do
+      echo "==> tagging $version"
+      docker tag coralproject/talk:latest coralproject/talk:$version
+  done
+
+  # Push each of the tags to dockerhub, including latest
+  for version in $tag_list
+  do
+      echo "==> pushing $version"
+      docker push coralproject/talk:$version
+  done
+
+  # Deploy latest if we're at master, or deploy this branch if we aren't.
+  if [ "$CIRCLE_BRANCH" = "master" ]
+  then
+    deploy_latest
+  else
+    deploy_branch
+  fi
+}
+
+deploy_latest() {
+  echo "==> pushing latest"
+  docker push coralproject/talk:latest
+}
+
+deploy_branch() {
+  echo "==> tagging branch $CIRCLE_BRANCH"
+  docker tag coralproject/talk:latest coralproject/talk:$CIRCLE_BRANCH
+
+  echo "==> pushing branch $CIRCLE_BRANCH"
+  docker push coralproject/talk:$CIRCLE_BRANCH
+}
+
+ARGS=""
+
+if [[ -n "$CIRCLE_SHA1" ]]
+then
+  ARGS="--build-arg REVISION_HASH=${CIRCLE_SHA1}"
+fi
+
+# build the repo, including the onbuild tagged versions.
+docker build -t coralproject/talk:latest ${ARGS} -f Dockerfile .
+
+if [ "$1" = "deploy" ]
+then
+
+  if [[ -n "$DOCKER_USER" && -n "$DOCKER_PASS" ]]
+  then
+
+    # Log the Docker Daemon in
+    docker login -u $DOCKER_USER -p $DOCKER_PASS
+  fi
+
+  # deploy based on the env
+  if [ -n "$CIRCLE_TAG" ]
+  then
+    deploy_tag
+  else
+    if [ "$CIRCLE_BRANCH" = "master" ]
+    then
+      deploy_latest
+    else
+      deploy_branch
+    fi
+  fi
+fi