dockerfile for building release app

.dockerignore

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+# Rust build artifacts
+/target
+**/*.rs.bk
+
+# Development environment
+.env
+.devcontainer
+.vscode
+.idea
+*.swp
+*.swo
+
+# Git
+.git
+.gitignore
+.github
+
+# Documentation and misc
+README.md
+LICENSE
+*.md
+
+# Generated files
+embeddings_visualization.html
+
+# Debug files
+core
+*.log
+
+# Docker files (except Dockerfile which we need)
+.dockerignore
+docker-compose*.yml
+
+# Temporary files
+*.tmp
+*.temp
+*~

.env.example

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+# PostgreSQL connection settings
+POSTGRES_HOST=postgres
+POSTGRES_PORT=5432
+POSTGRES_DB=postgres
+POSTGRES_USER=postgres
+POSTGRES_PASSWORD=changeme
+
+# Logging level (debug, info, warn, error)
+RUST_LOG=info

Dockerfile

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+FROM rust:1.75-slim-bullseye as builder
+
+# Install build dependencies
+RUN apt-get update && \
+    apt-get install -y \
+        pkg-config \
+        libssl-dev \
+        libpq-dev \
+        gcc \
+        g++ \
+        make \
+        clang \
+        lld \
+        libomp-dev \
+        libopenblas-dev \
+        && rm -rf /var/lib/apt/lists/*
+
+# Create a new empty project
+WORKDIR /app
+
+# Create a dummy project to cache dependencies
+COPY Cargo.toml Cargo.lock ./
+RUN mkdir src && \
+    echo "fn main() {println!(\"dummy\")}" > src/main.rs && \
+    cargo build --release && \
+    rm -rf src
+
+# Now copy the real source code
+COPY . .
+
+# Build the application in release mode with cargo cache
+RUN --mount=type=cache,target=/usr/local/cargo/registry \
+    --mount=type=cache,target=/app/target \
+    cargo build --release && \
+    cp target/release/mf-fitter /app/mf-fitter
+
+# Create the runtime image
+FROM debian:bullseye-slim
+
+# Install runtime dependencies
+RUN apt-get update && \
+    apt-get install -y \
+        libpq5 \
+        ca-certificates \
+        libomp5 \
+        libopenblas0 \
+        libgomp1 \
+        && rm -rf /var/lib/apt/lists/*
+
+# Copy the binary from builder
+COPY --from=builder /app/mf-fitter /usr/local/bin/
+COPY --from=builder /app/.env.example /app/.env
+
+WORKDIR /app
+
+# Set environment variables
+ENV RUST_LOG=info
+
+ENTRYPOINT ["/usr/local/bin/mf-fitter"]