diff --git a/client/Dockerfile b/client/Dockerfile
index f956ab1..969589c 100644
--- a/client/Dockerfile
+++ b/client/Dockerfile
@@ -4,13 +4,13 @@ FROM rust:1.66-slim AS build
 # install build dependencies
 RUN apt update \
     && apt install -y --no-install-recommends lsb-release apt-transport-https \
-    build-essential curl wget pkg-config
+    build-essential curl wget pkg-config libssl-dev
 
 # vars
-ENV PERSEUS_VERSION=0.3.6 \
+ENV PERSEUS_VERSION=0.4.0-beta.21 \
     PERSEUS_SIZE_OPT_VERSION=0.1.9 \
     ESBUILD_VERSION=0.14.7 \
-    BINARYEN_VERSION=104
+    BINARYEN_VERSION=112
 
 # prepare root project dir
 WORKDIR /app
@@ -32,24 +32,22 @@ WORKDIR /app/client
 RUN cargo install perseus-cli --version $PERSEUS_VERSION
 
 # clean and prep app
-RUN perseus clean && perseus prep
+RUN perseus clean
 
 # specify deps in app config
 RUN sed -i s"/perseus = .*/perseus = \"${PERSEUS_VERSION}\"/" ./Cargo.toml \
     && sed -i s"/perseus-size-opt = .*/perseus-size-opt = \"${PERSEUS_SIZE_OPT_VERSION}\"/" ./Cargo.toml \
     && cat ./Cargo.toml
 
-# modify lib.rs
-RUN sed -i s'/SizeOpts::default()/SizeOpts { wee_alloc: true, lto: true, opt_level: "s".to_string(), codegen_units: 1, enable_fluent_bundle_patch: false, }/' ./src/lib.rs \
-    && cat ./src/lib.rs
+# modify main.rs
+RUN sed -i s'/SizeOpts::default()/SizeOpts { wee_alloc: true, lto: true, opt_level: "s".to_string(), codegen_units: 1, enable_fluent_bundle_patch: false, }/' ./src/main.rs \
+    && cat ./src/main.rs
 
 ARG API_URL
 ENV API_URL $API_URL
 
 # run plugin(s) to adjust app
-RUN perseus tinker \
-    && cat .perseus/Cargo.toml \
-    && cat ./src/lib.rs
+RUN perseus tinker
 
 # single-threaded perseus CLI mode required for low memory environments
 #ENV PERSEUS_CLI_SEQUENTIAL=true
@@ -75,8 +73,7 @@ RUN wget -nv https://github.com/WebAssembly/binaryen/releases/download/version_$
     && ./binaryen-version_${BINARYEN_VERSION}/bin/wasm-opt --version
 
 # run wasm-opt against bundle.wasm
-RUN ./binaryen-version_${BINARYEN_VERSION}/bin/wasm-opt -Os ./client/pkg/dist/pkg/perseus_engine_bg.wasm -o ./client/pkg/dist/pkg/perseus_engine_bg.wasm \
-    && ls -lha ./client/pkg/dist/pkg
+RUN ./binaryen-version_${BINARYEN_VERSION}/bin/wasm-opt -Os ./client/pkg/dist/pkg/perseus_engine_bg.wasm -o ./client/pkg/dist/pkg/perseus_engine_bg.wasm
 
 # prepare deployment image
 FROM debian:stable-slim
@@ -88,4 +85,3 @@ COPY --from=build /app/client/pkg /app/
 ENV HOST=0.0.0.0
 
 CMD ./server
-
diff --git a/docker-compose.yml b/docker-compose.yml
index e760152..c03b3a1 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -11,6 +11,8 @@ services:
     restart: always
     ports:
       - 8080:8080
+    environment:
+      - PERSEUS_HOST=0.0.0.0
   server:
     container_name: fast-insiders-server
     image: fast-insiders-server:latest