diff --git a/Dockerfile.simple b/Dockerfile.simple
new file mode 100644
index 000000000..d3e9fa75e
--- /dev/null
+++ b/Dockerfile.simple
@@ -0,0 +1,21 @@
+FROM rust:1.83-slim-bookworm AS builder
+
+RUN apt-get update && apt-get install -y \
+    pkg-config \
+    libssl-dev \
+    protobuf-compiler \
+    && rm -rf /var/lib/apt/lists/*
+
+WORKDIR /build
+COPY . .
+
+RUN cargo build --release -p api_gateway
+
+FROM debian:bookworm-slim
+RUN apt-get update && apt-get install -y \
+    ca-certificates \
+    libssl3 \
+    && rm -rf /var/lib/apt/lists/*
+
+COPY --from=builder /build/target/release/api_gateway /usr/local/bin/
+CMD ["/usr/local/bin/api_gateway"]
diff --git a/docker-compose.yml b/docker-compose.yml
index 1c9c0ccd2..16462617e 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -3,7 +3,7 @@ version: '3.8'
 services:
   # PostgreSQL - Primary database for SQLx compilation and app data
   postgres:
-    image: postgres:16-alpine
+    image: timescale/timescaledb:latest-pg16
     container_name: foxhunt-postgres
     environment:
       POSTGRES_DB: foxhunt
diff --git a/services/api_gateway/Dockerfile b/services/api_gateway/Dockerfile
index 4cbe4e0af..5e0d4218f 100644
--- a/services/api_gateway/Dockerfile
+++ b/services/api_gateway/Dockerfile
@@ -42,16 +42,28 @@ COPY services/backtesting_service ./services/backtesting_service
 COPY services/ml_training_service ./services/ml_training_service
 
 # Build dependencies first (layer caching optimization)
+# Create dummy main.rs files for all workspace members to cache dependencies
 RUN mkdir -p services/api_gateway/src && \
     echo "fn main() {}" > services/api_gateway/src/main.rs && \
-    cargo build --release -p api_gateway && \
-    rm -rf services/api_gateway/src
+    mkdir -p common/src && echo "pub fn dummy() {}" > common/src/lib.rs && \
+    mkdir -p config/src && echo "pub fn dummy() {}" > config/src/lib.rs && \
+    mkdir -p trading_engine/src && echo "pub fn dummy() {}" > trading_engine/src/lib.rs && \
+    mkdir -p storage/src && echo "pub fn dummy() {}" > storage/src/lib.rs && \
+    mkdir -p database/src && echo "pub fn dummy() {}" > database/src/lib.rs && \
+    cargo build --release -p api_gateway 2>&1 | grep -E '(Compiling|Finished|error)' && \
+    find target/release -type f -executable -delete && \
+    rm -rf common/src config/src trading_engine/src storage/src database/src services/api_gateway/src
 
-# Copy actual source code
+# Copy actual source code for all required crates
+COPY common/src ./common/src
+COPY config/src ./config/src
+COPY trading_engine/src ./trading_engine/src
+COPY storage/src ./storage/src
+COPY database/src ./database/src
 COPY services/api_gateway/src ./services/api_gateway/src
 COPY services/api_gateway/build.rs ./services/api_gateway/build.rs
 
-# Build the application
+# Build the application (dependencies already cached)
 RUN cargo build --release -p api_gateway
 
 # =============================================================================
diff --git a/services/backtesting_service/Dockerfile b/services/backtesting_service/Dockerfile
index d6ff4d322..121fdc26c 100644
--- a/services/backtesting_service/Dockerfile
+++ b/services/backtesting_service/Dockerfile
@@ -42,16 +42,30 @@ COPY services/backtesting_service ./services/backtesting_service
 COPY services/ml_training_service ./services/ml_training_service
 
 # Build dependencies first (layer caching optimization)
+# Create dummy main.rs files for all workspace members to cache dependencies
 RUN mkdir -p services/backtesting_service/src && \
     echo "fn main() {}" > services/backtesting_service/src/main.rs && \
-    cargo build --release -p backtesting_service && \
-    rm -rf services/backtesting_service/src
+    mkdir -p common/src && echo "pub fn dummy() {}" > common/src/lib.rs && \
+    mkdir -p config/src && echo "pub fn dummy() {}" > config/src/lib.rs && \
+    mkdir -p trading_engine/src && echo "pub fn dummy() {}" > trading_engine/src/lib.rs && \
+    mkdir -p backtesting/src && echo "pub fn dummy() {}" > backtesting/src/lib.rs && \
+    mkdir -p storage/src && echo "pub fn dummy() {}" > storage/src/lib.rs && \
+    mkdir -p database/src && echo "pub fn dummy() {}" > database/src/lib.rs && \
+    cargo build --release -p backtesting_service 2>&1 | grep -E '(Compiling|Finished|error)' && \
+    find target/release -type f -executable -delete && \
+    rm -rf common/src config/src trading_engine/src backtesting/src storage/src database/src services/backtesting_service/src
 
-# Copy actual source code
+# Copy actual source code for all required crates
+COPY common/src ./common/src
+COPY config/src ./config/src
+COPY trading_engine/src ./trading_engine/src
+COPY backtesting/src ./backtesting/src
+COPY storage/src ./storage/src
+COPY database/src ./database/src
 COPY services/backtesting_service/src ./services/backtesting_service/src
 COPY services/backtesting_service/build.rs ./services/backtesting_service/build.rs 2>/dev/null || true
 
-# Build the application
+# Build the application (dependencies already cached)
 RUN cargo build --release -p backtesting_service
 
 # =============================================================================
diff --git a/services/ml_training_service/Dockerfile b/services/ml_training_service/Dockerfile
index e49ad42c5..3de36fcc4 100644
--- a/services/ml_training_service/Dockerfile
+++ b/services/ml_training_service/Dockerfile
@@ -1,16 +1,28 @@
 # Multi-stage build for Foxhunt ML Training Service
-# Wave 71 Agent 8: Production-optimized Docker image
+# Wave 112 Agent 18: CUDA-enabled production Docker image
 
 # =============================================================================
-# Builder Stage
+# Builder Stage with CUDA Support
 # =============================================================================
-FROM rust:1.83-slim-bookworm AS builder
+FROM nvidia/cuda:12.3.0-devel-ubuntu22.04 AS builder
 
-# Install build dependencies
+# Install Rust
+RUN apt-get update && apt-get install -y \
+    curl \
+    build-essential \
+    && curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y \
+    && . $HOME/.cargo/env \
+    && rustup default stable \
+    && rustup component add rustfmt clippy
+
+ENV PATH="/root/.cargo/bin:${PATH}"
+
+# Install build dependencies including CUDA toolkit
 RUN apt-get update && apt-get install -y \
     pkg-config \
     libssl-dev \
     protobuf-compiler \
+    nvidia-cuda-toolkit \
     && rm -rf /var/lib/apt/lists/*
 
 # Set working directory
@@ -42,22 +54,34 @@ COPY services/backtesting_service ./services/backtesting_service
 COPY services/ml_training_service ./services/ml_training_service
 
 # Build dependencies first (layer caching optimization)
+# Create dummy main.rs files for all workspace members to cache dependencies
 RUN mkdir -p services/ml_training_service/src && \
     echo "fn main() {}" > services/ml_training_service/src/main.rs && \
-    cargo build --release -p ml_training_service && \
-    rm -rf services/ml_training_service/src
+    mkdir -p common/src && echo "pub fn dummy() {}" > common/src/lib.rs && \
+    mkdir -p config/src && echo "pub fn dummy() {}" > config/src/lib.rs && \
+    mkdir -p ml/src && echo "pub fn dummy() {}" > ml/src/lib.rs && \
+    mkdir -p storage/src && echo "pub fn dummy() {}" > storage/src/lib.rs && \
+    mkdir -p database/src && echo "pub fn dummy() {}" > database/src/lib.rs && \
+    cargo build --release -p ml_training_service --features cuda 2>&1 | grep -E '(Compiling|Finished|error)' && \
+    find target/release -type f -executable -delete && \
+    rm -rf common/src config/src ml/src storage/src database/src services/ml_training_service/src
 
-# Copy actual source code
+# Copy actual source code for all required crates
+COPY common/src ./common/src
+COPY config/src ./config/src
+COPY ml/src ./ml/src
+COPY storage/src ./storage/src
+COPY database/src ./database/src
 COPY services/ml_training_service/src ./services/ml_training_service/src
 COPY services/ml_training_service/build.rs ./services/ml_training_service/build.rs 2>/dev/null || true
 
-# Build the application
-RUN cargo build --release -p ml_training_service
+# Build the application with CUDA support (dependencies already cached)
+RUN cargo build --release -p ml_training_service --features cuda
 
 # =============================================================================
-# Runtime Stage
+# Runtime Stage with CUDA Runtime
 # =============================================================================
-FROM debian:bookworm-slim
+FROM nvidia/cuda:12.3.0-runtime-ubuntu22.04
 
 # Install runtime dependencies
 RUN apt-get update && apt-get install -y \
diff --git a/services/trading_service/Dockerfile b/services/trading_service/Dockerfile
index 9f8453195..aa2c384e8 100644
--- a/services/trading_service/Dockerfile
+++ b/services/trading_service/Dockerfile
@@ -42,16 +42,30 @@ COPY services/backtesting_service ./services/backtesting_service
 COPY services/ml_training_service ./services/ml_training_service
 
 # Build dependencies first (layer caching optimization)
+# Create dummy main.rs files for all workspace members to cache dependencies
 RUN mkdir -p services/trading_service/src && \
     echo "fn main() {}" > services/trading_service/src/main.rs && \
-    cargo build --release -p trading_service && \
-    rm -rf services/trading_service/src
+    mkdir -p common/src && echo "pub fn dummy() {}" > common/src/lib.rs && \
+    mkdir -p config/src && echo "pub fn dummy() {}" > config/src/lib.rs && \
+    mkdir -p trading_engine/src && echo "pub fn dummy() {}" > trading_engine/src/lib.rs && \
+    mkdir -p risk/src && echo "pub fn dummy() {}" > risk/src/lib.rs && \
+    mkdir -p storage/src && echo "pub fn dummy() {}" > storage/src/lib.rs && \
+    mkdir -p database/src && echo "pub fn dummy() {}" > database/src/lib.rs && \
+    cargo build --release -p trading_service 2>&1 | grep -E '(Compiling|Finished|error)' && \
+    find target/release -type f -executable -delete && \
+    rm -rf common/src config/src trading_engine/src risk/src storage/src database/src services/trading_service/src
 
-# Copy actual source code
+# Copy actual source code for all required crates
+COPY common/src ./common/src
+COPY config/src ./config/src
+COPY trading_engine/src ./trading_engine/src
+COPY risk/src ./risk/src
+COPY storage/src ./storage/src
+COPY database/src ./database/src
 COPY services/trading_service/src ./services/trading_service/src
 COPY services/trading_service/build.rs ./services/trading_service/build.rs 2>/dev/null || true
 
-# Build the application
+# Build the application (dependencies already cached)
 RUN cargo build --release -p trading_service
 
 # =============================================================================