Refactor tnt contract Dockerfile

Signed-off-by: Ryan Beck-Buysse <[email protected]>

Author: rbuysse

contracts/track_and_trace/Dockerfile

@@ -22,21 +22,21 @@ RUN echo "deb http://repo.sawtooth.me/ubuntu/nightly bionic universe" >> /etc/ap
  && (apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys 44FC67F19B2466EA \
  || apt-key adv --keyserver hkp://p80.pool.sks-keyservers.net:80 --recv-keys 44FC67F19B2466EA) \
  && apt-get update \
-    && apt-get install -y -q \
-        build-essential \
-        curl \
-        gcc \
-        g++ \
-        libpq-dev \
-        libssl-dev \
-        libsasl2-dev \
-        libzmq3-dev \
-        openssl \
-        pkg-config \
-        sabre-cli \
-        unzip \
-    && apt-get clean \
-    && rm -rf /var/lib/apt/lists/*
+ && apt-get install -y -q \
+    build-essential \
+    curl \
+    gcc \
+    g++ \
+    libpq-dev \
+    libssl-dev \
+    libsasl2-dev \
+    libzmq3-dev \
+    openssl \
+    pkg-config \
+    sabre-cli \
+    unzip \
+ && apt-get clean \
+ && rm -rf /var/lib/apt/lists/*
 
 ENV PATH=$PATH:/protoc3/bin:/root/.cargo/bin
 
@@ -53,25 +53,34 @@ RUN curl -OLsS https://github.com/google/protobuf/releases/download/v3.7.1/proto
  && unzip -o protoc-3.7.1-linux-x86_64.zip -d /usr/local \
  && rm protoc-3.7.1-linux-x86_64.zip
 
-COPY ./sdk /sdk
+RUN mkdir /build
 
+# Copy grid sdk dependency
+COPY sdk/ /build/sdk/
+
+# Create empty cargo project
+WORKDIR /build
 RUN mkdir contracts \
  && USER=root cargo new --bin contracts/track_and_trace
-WORKDIR /contracts/track_and_trace
 
-# Build TP with dummy source in order to cache dependencies in Docker image.
-COPY ./contracts/track_and_trace/Cargo.toml ./Cargo.toml
-RUN cargo build --release
+# Copy over Cargo.toml file
+COPY contracts/track_and_trace/Cargo.toml /build/contracts/track_and_trace/Cargo.toml
 
-COPY contracts/track_and_trace/Cargo.toml contracts/track_and_trace/Cargo.lock* ./
-RUN cargo build
+# Do a release build to cache dependencies
+WORKDIR /build/contracts/track_and_trace
+RUN cargo build --release
 
+# Remove the auto-generated .rs files and the built files
 RUN rm src/*.rs
-COPY ./contracts/track_and_trace/src ./src
+RUN rm target/release/grid-track-and-trace-tp* target/release/deps/grid_track_and_trace*
+
+# Copy over source files
+COPY contracts/track_and_trace/src /build/contracts/track_and_trace/src
 
-RUN rm ./target/release/grid-track-and-trace-tp* ./target/release/deps/grid_track_and_trace*
+# Build the contract
 RUN cargo build --target wasm32-unknown-unknown --release
 
-COPY ./contracts/track_and_trace/track_and_trace.yaml ./track_and_trace.yaml
+# Copy the contract definition
+COPY contracts/track_and_trace/track_and_trace.yaml /build/contracts/track_and_trace/track_and_trace.yaml
 
 ENTRYPOINT []