Migrate away from docker

entrypoint.sh

@@ -1,6 +1,49 @@
-#!/usr/bin/env sh
-if $6 == "true"; then
-    rocketchat-notification -u "$1" -p "$2" -m "$3" -s "$4" -c "$5" -code
-else
-    rocketchat-notification -u "$1" -p "$2" -m "$3" -s "$4" -c "$5"
+#!/usr/bin/env bash
+set -euo pipefail
+
+GREEN='\033[0;32m'
+RED='\033[0;31m'
+BOLD='\033[1m'
+RESET='\033[0m'
+
+SERVER="${INPUT_SERVER}"
+USER="${INPUT_USER}"
+PASSWORD="${INPUT_PASSWORD}"
+MESSAGE="${INPUT_MESSAGE}"
+CHANNEL="${INPUT_CHANNEL}"
+
+LOGIN_RESPONSE=$(curl -s -X POST \
+  -H "Content-Type: application/json" \
+  -d "$(jq -n --arg user "$USER" --arg password "$PASSWORD" '{"user": $user, "password": $password}')" \
+  "${SERVER}/api/v1/login")
+
+mapfile -t login_data < <(jq -r '.data.authToken, .data.userId' <<< "$LOGIN_RESPONSE")
+AUTH_TOKEN="${login_data[0]}"
+USER_ID="${login_data[1]}"
+
+if [ -z "$AUTH_TOKEN" ] || [ "$AUTH_TOKEN" = "null" ]; then
+  LOGIN_ERROR=$(jq -r '.message // "unknown error"' <<< "$LOGIN_RESPONSE")
+  echo -e "${RED}${BOLD}✗ Login failed${RESET} — ${LOGIN_ERROR}"
+  exit 1
 fi
+
+RESPONSE=$(curl -s -X POST \
+  -H "Content-Type: application/json" \
+  -H "X-Auth-Token: ${AUTH_TOKEN}" \
+  -H "X-User-Id: ${USER_ID}" \
+  -d "$(jq -n --arg channel "$CHANNEL" --arg text "$MESSAGE" '{"channel": $channel, "text": $text}')" \
+  "${SERVER}/api/v1/chat.postMessage")
+
+mapfile -t response_data < <(jq -r '.success, .channel, .message.u.username, .message._id' <<< "$RESPONSE")
+SUCCESS="${response_data[0]}"
+CHANNEL_NAME="${response_data[1]}"
+SENDER="${response_data[2]}"
+MSG_ID="${response_data[3]}"
+
+if [ "$SUCCESS" != "true" ]; then
+  ERROR=$(jq -r '.error // .message // "unknown error"' <<< "$RESPONSE")
+  echo -e "${RED}${BOLD}✗ Failed to send message${RESET} — ${ERROR}"
+  exit 1
+fi
+
+echo -e "${GREEN}${BOLD}✓ Message sent${RESET} — channel: ${BOLD}${CHANNEL_NAME}${RESET}, sender: ${SENDER}, id: ${MSG_ID}"