diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 5ea7996d..b09cfd10 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -1,6 +1,9 @@
 name: build
 
 on:
+  pull_request:
+    branches:
+      - master
   push:
     branches:
       - master
@@ -27,7 +30,7 @@ jobs:
         uses: docker/build-push-action@v2
         with:
           context: .
-          file: config/Dockerfile
+          file: Dockerfile
           push: true
           tags: ghcr.io/${{ github.repository }}:latest
           build-args: |
diff --git a/config/Dockerfile b/Dockerfile
similarity index 95%
rename from config/Dockerfile
rename to Dockerfile
index 02ba84aa..8437d38e 100644
--- a/config/Dockerfile
+++ b/Dockerfile
@@ -1,5 +1,5 @@
 # syntax=docker/dockerfile:1
-FROM continuumio/miniconda3:latest
+FROM continuumio/miniconda3:4.12.0
 
 # Install system dependencies.
 RUN apt-get update -y && \
@@ -8,7 +8,7 @@ RUN apt-get update -y && \
 # Add the local code to the /app directory and set it to be the working directory.
 # Since we mount the /app directory as a volume in docker-compose.yml, this
 # allows us to automatically update the code in the Docker image when it's changed.
-ADD .. /app
+ADD . /app
 WORKDIR /app
 
 # Get the arguments from the docker-compose environment.
diff --git a/README.org b/README.org
index e8394a0c..e03bc37d 100644
--- a/README.org
+++ b/README.org
@@ -37,9 +37,13 @@
      - [[https://github.com/debanjum/semantic-search/tree/master/src/interface/emacs#installation][Install]] [[./src/interface/emacs/semantic-search.el][semantic-search.el]]
      - Run ~M-x semantic-search <user-query>~
 
+** Run Unit tests
+
+  `pytest`
+
 ** Upgrade
    #+begin_src shell
-     docker-compose build
+     docker-compose build --pull
    #+end_src
 
 ** Troubleshooting
diff --git a/config/environment.yml b/config/environment.yml
index bb1dc845..289d20d7 100644
--- a/config/environment.yml
+++ b/config/environment.yml
@@ -2,19 +2,19 @@ name: semantic-search
 channels:
   - conda-forge
 dependencies:
-  - python=3.*
-  - numpy=1.*
-  - pytorch=1.*
-  - transformers=4.*
+  - python=3.8.*
+  - numpy=1.22.4
+  - pytorch=1.11.0
+  - transformers=4.19.4
   - sentence-transformers=2.1.0
-  - fastapi=0.*
-  - uvicorn=0.*
-  - pyyaml=5.*
-  - pytest=6.*
-  - pillow=8.*
-  - torchvision=0.*
-  - openai=0.*
-  - pydantic=1.*
-  - jinja2=3.0.*
-  - aiofiles=0.*
-  - huggingface_hub=0.*
\ No newline at end of file
+  - fastapi=0.77.1
+  - uvicorn=0.17.6
+  - pyyaml=6.0
+  - pytest=7.1.2
+  - pillow=8.4.0
+  - torchvision=0.12.0
+  - openai=0.20.0
+  - pydantic=1.9.1
+  - jinja2=3.1.2
+  - aiofiles=0.8.0
+  - huggingface_hub=0.8.1
diff --git a/docker-compose.yml b/docker-compose.yml
index a75e77d0..fbf2a6b8 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -3,7 +3,7 @@ services:
   server:
     build:
       context: .
-      dockerfile: config/Dockerfile
+      dockerfile: Dockerfile
       args:
         - PORT=8000
     ports:
@@ -28,6 +28,9 @@ services:
       # You can set these volumes to point to empty directories on host
       - ./tests/data/embeddings/:/data/embeddings/
       - ./tests/data/models/:/data/models/
-
+    deploy:
+      resources:
+        limits:
+          memory: 8g
     # Use 0.0.0.0 to explicitly set the host ip for the service on the container. https://pythonspeed.com/articles/docker-connection-refused/
     command: --host="0.0.0.0" --port=8000 -c=config/sample_config.yml -vv