Docker build giving issues

[shim1998]

❯ docker build - < Dockerfile
Sending build context to Docker daemon  2.048kB
Step 1/13 : FROM ubuntu:18.04
 ---> 39a8cfeef173
Step 2/13 : USER root
 ---> Using cache
 ---> 019bc89ae8fa
Step 3/13 : WORKDIR /TLE
 ---> Using cache
 ---> 938dfa4bc0e8
Step 4/13 : RUN apt-get update
 ---> Using cache
 ---> f91844fcebaa
Step 5/13 : RUN apt-get install -y git apt-utils sqlite3
 ---> Using cache
 ---> 103f7be58374
Step 6/13 : RUN DEBIAN_FRONTEND="noninteractive" apt-get install -y libcairo2-dev libgirepository1.0-dev libpango1.0-dev pkg-config python3-dev gir1.2-pango-1.0 python3.8-venv libpython3.8-dev libjpeg-dev zlib1g-dev python3-pip
 ---> Using cache
 ---> 40d8c7d64963
Step 7/13 : RUN python3.8 -m pip install poetry
 ---> Using cache
 ---> 50e0e57266bb
Step 8/13 : RUN ls
 ---> Using cache
 ---> 451876364e4d
Step 9/13 : COPY ./poetry.lock ./poetry.lock
COPY failed: file not found in build context or excluded by .dockerignore: stat poetry.lock: file does not exist

• Hey, I am getting this problem, any resolve to fix this? poetry.lock file is there in my folder and I am running docker build from the root folder.