feat: minimized docker images

.env.example

@@ -0,0 +1,47 @@
+RELAYER_ENDPOINT=http://localhost:4500/api/receiveEmail
+
+IMAP_LOGIN_ID=
+IMAP_DOMAIN_NAME=imap.gmail.com
+IMAP_PORT=993
+AUTH_TYPE=password
+
+IMAP_LOGIN_PASSWORD=
+# OR
+IMAP_CLIENT_ID=
+IMAP_CLIENT_SECRET=
+IMAP_AUTH_URL=
+IMAP_TOKEN_URL=
+IMAP_REDIRECT_URL=
+
+JSON_LOGGER=false
+
+SERVER_HOST=localhost
+SERVER_PORT=3000
+SMTP_DOMAIN_NAME=smtp.gmail.com
+SMTP_LOGIN_ID=
+SMTP_LOGIN_PASSWORD=
+
+EMAIL_ACCOUNT_RECOVERY_VERSION_ID=1
+PRIVATE_KEY=
+CHAIN_RPC_PROVIDER=https://sepolia.era.zksync.dev
+CHAIN_RPC_EXPLORER=https://sepolia-era.zksync.network
+CHAIN_ID=300
+
+SMTP_SERVER="http://localhost:3000/api/sendEmail"
+
+PROVER_ADDRESS="https://zkemail--email-auth-prover-v1-5-2-flask-app.modal.run"
+
+DATABASE_URL="postgres://test@localhost/emailauth_test"
+RELAYER_EMAIL_ADDR=
+WEB_SERVER_ADDRESS="127.0.0.1:4500"
+EMAIL_TEMPLATES_PATH=./eml_templates
+REGEX_JSON_DIR_PATH="./src/regex_json"
+
+DKIM_CANISTER_ID="fxmww-qiaaa-aaaaj-azu7a-cai"
+WALLET_CANISTER_ID=
+PEM_PATH="./.ic.pem"
+IC_REPLICA_URL="https://a4gq6-oaaaa-aaaab-qaa4q-cai.raw.icp0.io/?id=fxmww-qiaaa-aaaaj-azu7a-cai"
+
+CIRCUITS_DIR_PATH=../circuits
+
+ERROR_EMAIL_ADDR="[email protected]"

IMAP.Dockerfile

@@ -1,17 +1,37 @@
-# Use the official Rust image as a base image
-FROM rust:latest
+# Use the official Rust image as the base image for building
+FROM rust:1.73 AS builder
 
-# Set the working directory inside the container
-WORKDIR /app
+# Install necessary dependencies
+RUN apt-get update && apt-get install -y \
+    git \
+    pkg-config \
+    libssl-dev \
+    && rm -rf /var/lib/apt/lists/*
 
-# Clone the GitHub repository
-RUN git clone https://github.com/zkemail/relayer-imap.git
+# Set the working directory in the container
+WORKDIR /usr/src/relayer-imap
 
-# Change to the directory of the cloned repository
-WORKDIR /app/relayer-imap
+# Clone the repository
+RUN git clone https://github.com/zkemail/relayer-imap.git .
 
-# Build the Rust package
-RUN cargo build
+# Build the application
+RUN cargo build --release
 
-# Specify the command to run when the container starts
-CMD ["cargo", "run", "--bin", "relayer-imap"]
+# Use a minimal base image for the final stage
+FROM debian:bookworm-slim
+
+# Install necessary runtime dependencies including ca-certificates
+RUN apt-get update && apt-get install -y \
+    pkg-config \
+    libssl-dev \
+    ca-certificates \
+    && rm -rf /var/lib/apt/lists/*
+
+# Copy the built binary from the builder stage
+COPY --from=builder /usr/src/relayer-imap/target/release/relayer-imap /usr/local/bin/relayer-imap
+
+# Expose the port the app runs on
+EXPOSE 8080
+
+# Set the default command to run the application
+CMD ["/usr/local/bin/relayer-imap"]

Relayer.Dockerfile

@@ -1,5 +1,6 @@
-# Use the latest official Rust image as the base
-FROM rust:latest
+# Stage 1: Build Stage
+# Use the official Rust image to build the project
+FROM rust:latest AS builder
 
 # Use bash as the shell
 SHELL ["/bin/bash", "-c"]
@@ -15,55 +16,58 @@ RUN curl -o- https://raw.githubusercontent.com/nvm-sh/nvm/v0.39.3/install.sh | b
 # Set the working directory
 WORKDIR /relayer
 
-# Pre-configure Git to avoid common issues and increase clone verbosity
+# Configure Git to avoid common issues and increase clone verbosity
 RUN git config --global advice.detachedHead false \
     && git config --global core.compression 0 \
     && git config --global protocol.version 2 \
     && git config --global http.postBuffer 1048576000 \
     && git config --global fetch.verbose true
 
-# Copy project files
+# Copy the project files to the build stage
 COPY . .
 
-# Remove the packages/relayer directory
-RUN rm -rf packages/relayer
-
-# Install Yarn dependencies with retry mechanism
+# Install Yarn dependencies with a retry mechanism
 RUN . $HOME/.nvm/nvm.sh && nvm use default && yarn || \
     (sleep 5 && yarn) || \
     (sleep 10 && yarn)
 
-# Install Foundry
+# Install Foundry and add forge to PATH
 RUN curl -L https://foundry.paradigm.xyz | bash \
-    && source $HOME/.bashrc \
-    && foundryup
-
-# Verify Foundry installation
-RUN source $HOME/.bashrc && forge --version
+    && . $HOME/.bashrc \
+    && foundryup \
+    && ln -s $HOME/.foundry/bin/forge /usr/local/bin/forge \
+    && forge --version
 
-# Set the working directory for contracts
+# Build the contracts
 WORKDIR /relayer/packages/contracts
+RUN source $HOME/.nvm/nvm.sh && nvm use default && yarn && forge build
 
-# Install Yarn dependencies for contracts
-RUN source $HOME/.nvm/nvm.sh && nvm use default && yarn
-
-# Build the contracts using Foundry
-RUN source $HOME/.bashrc && forge build
-
-# Copy the project files
-COPY packages/relayer /relayer/packages/relayer
-
-# Set the working directory for the Rust project
+# Set the working directory for the Rust project and build it
 WORKDIR /relayer/packages/relayer
 
 # Copy the IC PEM file
 COPY packages/relayer/.ic.pem /relayer/.ic.pem
 
 # Build the Rust project with caching
-RUN cargo build
+RUN cargo build --release
+
+# Stage 2: Final Stage with Minimal Image
+# Use a slim Debian image to keep the final image small
+FROM debian:bookworm-slim
+
+# Install necessary runtime dependencies
+RUN apt-get update && apt-get install -y \
+    libssl-dev \
+    && rm -rf /var/lib/apt/lists/*
+
+# Copy the built binary from the builder stage
+COPY --from=builder /relayer/target/release/relayer /usr/local/bin/relayer
+
+# Copy the IC PEM file
+COPY --from=builder /relayer/.ic.pem /relayer/.ic.pem
 
-# Expose port
+# Expose the required port
 EXPOSE 4500
 
-# Set the default command
-CMD ["cargo", "run"]
+# Set the default command to run the application
+CMD ["/usr/local/bin/relayer"]

SMTP.Dockerfile

@@ -1,20 +1,36 @@
-# Use the official Rust image as a base image
-FROM rust:latest
+# Use the official Rust image as the base image for building
+FROM rust:1.73 AS builder
 
-# Set the working directory inside the container
-WORKDIR /app
+# Install necessary dependencies
+RUN apt-get update && apt-get install -y \
+    git \
+    pkg-config \
+    libssl-dev \
+    && rm -rf /var/lib/apt/lists/*
 
-# Clone the GitHub repository
-RUN git clone https://github.com/zkemail/relayer-smtp.git
+# Set the working directory in the container
+WORKDIR /usr/src/relayer-smtp
 
-# Change to the directory of the cloned repository
-WORKDIR /app/relayer-smtp
+# Clone the repository
+RUN git clone https://github.com/zkemail/relayer-smtp.git .
 
-# Build the Rust package
-RUN cargo build
+# Build the application
+RUN cargo build --release
 
-# Expose port
-EXPOSE 3000
+# Use a minimal base image for the final stage
+FROM debian:bookworm-slim
 
-# Specify the command to run when the container starts
-CMD ["cargo", "run", "--bin", "relayer-smtp"]
+# Install necessary runtime dependencies
+RUN apt-get update && apt-get install -y \
+    pkg-config \
+    libssl-dev \
+    && rm -rf /var/lib/apt/lists/*
+
+# Copy the built binary from the builder stage
+COPY --from=builder /usr/src/relayer-smtp/target/release/relayer-smtp /usr/local/bin/relayer-smtp
+
+# Expose the port the app runs on
+EXPOSE 8080
+
+# Set the default command to run the application
+CMD ["/usr/local/bin/relayer-smtp"]