diff --git a/.gitignore b/.gitignore
index 4d29575d..7be0a94a 100644
--- a/.gitignore
+++ b/.gitignore
@@ -10,6 +10,7 @@
 
 # production
 /build
+env-config.js
 
 # misc
 .DS_Store
diff --git a/Dockerfile b/Dockerfile
index 72a165c3..48fd9301 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -17,9 +17,20 @@ RUN npm run build
 ### STAGE 2: Run ###
 FROM nginx:alpine
 
-COPY /nginx/default.conf /etc/nginx/conf.d/default.conf
+RUN apk add --no-cache bash
+
+COPY /nginx /etc/nginx/conf.d
 RUN chown -R nginx /etc/nginx /var/run /run
 
 EXPOSE 8080
 
-COPY --from=builder /app/build /usr/share/nginx/html
\ No newline at end of file
+COPY --from=builder /app/build /usr/share/nginx/html
+
+# Copy .env file and shell script to container
+WORKDIR /usr/share/nginx/html
+COPY .env .
+COPY ./env.sh .
+RUN chmod +x env.sh
+
+# Start Nginx server
+CMD ["/bin/bash", "-c", "/usr/share/nginx/html/env.sh && nginx -g \"daemon off;\""]
diff --git a/env.sh b/env.sh
new file mode 100755
index 00000000..823f950d
--- /dev/null
+++ b/env.sh
@@ -0,0 +1,30 @@
+#!/bin/bash
+# (c) https://github.com/kunokdev/cra-runtime-environment-variables/blob/master/env.sh
+
+# Recreate config file
+rm -rf ./env-config.js
+touch ./env-config.js
+
+# Add assignment 
+echo "window._env_ = {" >> ./env-config.js
+
+# Read each line in .env file
+# Each line represents key=value pairs
+while read -r line || [[ -n "$line" ]];
+do
+  # Split env variables by character `=`
+  if printf '%s\n' "$line" | grep -q -e '='; then
+    varname=$(printf '%s\n' "$line" | sed -e 's/=.*//')
+    varvalue=$(printf '%s\n' "$line" | sed -e 's/^[^=]*=//')
+  fi
+
+  # Read value of current variable if exists as Environment variable
+  value=$(printf '%s\n' "${!varname}")
+  # Otherwise use value from .env file
+  [[ -z $value ]] && value=${varvalue}
+  
+  # Append configuration property to JS file
+  echo "  $varname: \"$value\"," >> ./env-config.js
+done < .env
+
+echo "}" >> ./env-config.js
\ No newline at end of file
diff --git a/nginx/gzip.conf b/nginx/gzip.conf
new file mode 100644
index 00000000..71feb532
--- /dev/null
+++ b/nginx/gzip.conf
@@ -0,0 +1,44 @@
+# Enable Gzip compressed.
+gzip on;
+
+# Enable compression both for HTTP/1.0 and HTTP/1.1 (required for CloudFront).
+gzip_http_version  1.0;
+
+# Compression level (1-9).
+# 5 is a perfect compromise between size and cpu usage, offering about
+# 75% reduction for most ascii files (almost identical to level 9).
+gzip_comp_level    5;
+
+# Don't compress anything that's already small and unlikely to shrink much
+# if at all (the default is 20 bytes, which is bad as that usually leads to
+# larger files after gzipping).
+gzip_min_length    256;
+
+# Compress data even for clients that are connecting to us via proxies,
+# identified by the "Via" header (required for CloudFront).
+gzip_proxied       any;
+
+# Tell proxies to cache both the gzipped and regular version of a resource
+# whenever the client's Accept-Encoding capabilities header varies;
+# Avoids the issue where a non-gzip capable client (which is extremely rare
+# today) would display gibberish if their proxy gave them the gzipped version.
+gzip_vary          on;
+
+# Compress all output labeled with one of the following MIME-types.
+gzip_types
+application/atom+xml
+application/javascript
+application/json
+application/rss+xml
+application/vnd.ms-fontobject
+application/x-font-ttf
+application/x-web-app-manifest+json
+application/xhtml+xml
+application/xml
+font/opentype
+image/svg+xml
+image/x-icon
+text/css
+text/plain
+text/x-component;
+# text/html is always compressed by HttpGzipModule
\ No newline at end of file
diff --git a/package.json b/package.json
index fb497b52..7a1c1b1b 100644
--- a/package.json
+++ b/package.json
@@ -27,6 +27,7 @@
     "use-image": "^1.0.6"
   },
   "scripts": {
+    "dev": "chmod +x ./env.sh && ./env.sh && cp env-config.js ./public/ && react-scripts start",
     "start": "react-scripts start",
     "build": "react-scripts build",
     "test": "react-scripts test"
diff --git a/public/index.html b/public/index.html
index 35c5c785..15585bcf 100644
--- a/public/index.html
+++ b/public/index.html
@@ -10,6 +10,8 @@
     <meta name="theme-color" content="#000000" />
  
     <title>Visual Regression Tracker</title>
+
+    <script src="%PUBLIC_URL%/env-config.js"></script>
   </head>
   <body>
     <noscript>You need to enable JavaScript to run this app.</noscript>
diff --git a/src/_config/api.config.ts b/src/_config/api.config.ts
deleted file mode 100644
index e330b882..00000000
--- a/src/_config/api.config.ts
+++ /dev/null
@@ -1 +0,0 @@
-export const API_URL = process.env.REACT_APP_API_URL;
diff --git a/src/_config/env.config.ts b/src/_config/env.config.ts
new file mode 100644
index 00000000..b1495b32
--- /dev/null
+++ b/src/_config/env.config.ts
@@ -0,0 +1,9 @@
+export const API_URL = window._env_.REACT_APP_API_URL;
+
+declare global {
+  interface Window {
+    _env_: {
+      REACT_APP_API_URL: string;
+    };
+  }
+}
diff --git a/src/contexts/socket.context.tsx b/src/contexts/socket.context.tsx
index 28d24072..634347d9 100644
--- a/src/contexts/socket.context.tsx
+++ b/src/contexts/socket.context.tsx
@@ -8,6 +8,7 @@ import {
 } from "./build.context";
 import { Build, TestRun } from "../types";
 import { useTestRunDispatch, addTestRun } from "./testRun.context";
+import { API_URL } from "../_config/env.config";
 
 interface IConnectAction {
   type: "connect";
@@ -100,13 +101,12 @@ function useSocketDispatch() {
 }
 
 function connect(dispatch: Dispatch) {
-  const apiUrl = process.env.REACT_APP_API_URL;
-  if (apiUrl) {
-    const socket = socketIOClient(apiUrl);
+  if (API_URL) {
+    const socket = socketIOClient(API_URL);
     dispatch({ type: "connect", payload: socket });
     console.log("Socket connected");
   } else {
-    console.log("API url is not provided: " + apiUrl);
+    console.log("API url is not provided");
   }
 }
 
diff --git a/src/services/builds.service.ts b/src/services/builds.service.ts
index 14af5b6d..3b659d7f 100644
--- a/src/services/builds.service.ts
+++ b/src/services/builds.service.ts
@@ -1,6 +1,6 @@
 import { Build } from "../types";
 import { handleResponse, authHeader } from "../_helpers/service.helpers";
-import { API_URL } from "../_config/api.config";
+import { API_URL } from "../_config/env.config";
 
 const ENDPOINT_URL = "/builds";
 
diff --git a/src/services/projects.service.ts b/src/services/projects.service.ts
index ab261405..452fe8a7 100644
--- a/src/services/projects.service.ts
+++ b/src/services/projects.service.ts
@@ -1,6 +1,6 @@
 import { Project } from "../types";
 import { handleResponse, authHeader } from "../_helpers/service.helpers";
-import { API_URL } from "../_config/api.config";
+import { API_URL } from "../_config/env.config";
 
 function getAll(): Promise<Project[]> {
   const requestOptions = {
diff --git a/src/services/static.service.ts b/src/services/static.service.ts
index cda05c82..68dd12ec 100644
--- a/src/services/static.service.ts
+++ b/src/services/static.service.ts
@@ -1,4 +1,4 @@
-import { API_URL } from "../_config/api.config";
+import { API_URL } from "../_config/env.config";
 
 function getImage(name: string): string {
   if (name) return `${API_URL}/${name}`;
diff --git a/src/services/testRun.service.ts b/src/services/testRun.service.ts
index b350d5b7..1701ae8f 100644
--- a/src/services/testRun.service.ts
+++ b/src/services/testRun.service.ts
@@ -1,6 +1,6 @@
 import { TestRun } from "../types";
 import { handleResponse, authHeader } from "../_helpers/service.helpers";
-import { API_URL } from "../_config/api.config";
+import { API_URL } from "../_config/env.config";
 import { IgnoreArea } from "../types/ignoreArea";
 
 const ENDPOINT_URL = "/test-runs";
diff --git a/src/services/testVariation.service.ts b/src/services/testVariation.service.ts
index 16901eac..7c4ab06a 100644
--- a/src/services/testVariation.service.ts
+++ b/src/services/testVariation.service.ts
@@ -1,6 +1,6 @@
 import { TestVariation, Build } from "../types";
 import { handleResponse, authHeader } from "../_helpers/service.helpers";
-import { API_URL } from "../_config/api.config";
+import { API_URL } from "../_config/env.config";
 import { IgnoreArea } from "../types/ignoreArea";
 
 const ENDPOINT_URL = "/test-variations";
diff --git a/src/services/users.service.ts b/src/services/users.service.ts
index c77005ae..aa4a354f 100644
--- a/src/services/users.service.ts
+++ b/src/services/users.service.ts
@@ -1,6 +1,6 @@
 import { handleResponse, authHeader } from "../_helpers/service.helpers";
 import { User } from "../types/user";
-import { API_URL } from "../_config/api.config";
+import { API_URL } from "../_config/env.config";
 
 const ENDPOINT_URL = "/users";