diff --git a/backend.dockerfile b/backend.dockerfile
index 4886573..0169218 100644
--- a/backend.dockerfile
+++ b/backend.dockerfile
@@ -1,6 +1,7 @@
 FROM node:slim
 
 ARG SEARXNG_API_URL
+ENV SEARXNG_API_URL=${SEARXNG_API_URL}
 
 WORKDIR /home/perplexica
 
@@ -11,8 +12,6 @@ COPY drizzle.config.ts /home/perplexica/
 COPY package.json /home/perplexica/
 COPY yarn.lock /home/perplexica/
 
-RUN sed -i "s|SEARXNG = \".*\"|SEARXNG = \"${SEARXNG_API_URL}\"|g" /home/perplexica/config.toml
-
 RUN mkdir /home/perplexica/data
 
 RUN yarn install 
diff --git a/src/config.ts b/src/config.ts
index 9ebc182..bb69335 100644
--- a/src/config.ts
+++ b/src/config.ts
@@ -40,7 +40,8 @@ export const getGroqApiKey = () => loadConfig().API_KEYS.GROQ;
 
 export const getAnthropicApiKey = () => loadConfig().API_KEYS.ANTHROPIC;
 
-export const getSearxngApiEndpoint = () => loadConfig().API_ENDPOINTS.SEARXNG;
+export const getSearxngApiEndpoint = () =>
+  process.env.SEARXNG_API_URL || loadConfig().API_ENDPOINTS.SEARXNG;
 
 export const getOllamaApiEndpoint = () => loadConfig().API_ENDPOINTS.OLLAMA;