Add a bit of comments

Signed-off-by: baalajimaestro <me@baalajimaestro.me>

Dockerfile

@@ -16,6 +16,7 @@ RUN apk update && apk add autoconf \
 ENV NIM_VERSION v1.6.12
 ENV LIBRESSL_VERSION v3.8.0
 
+# Compile LibreSSL Portable from source
 RUN git clone https://github.com/libressl/portable --depth=1 -b ${LIBRESSL_VERSION} libressl && \
     cd libressl && \
     ./autogen.sh && \
@@ -24,6 +25,7 @@ RUN git clone https://github.com/libressl/portable --depth=1 -b ${LIBRESSL_VERSI
     cmake -G"Ninja" .. && \
     ninja
 
+# Compile Nim from source including upstream patch
 RUN git clone https://github.com/nim-lang/Nim.git --depth=1 -b ${NIM_VERSION} && \
     cd Nim && \
     git config user.name gitlab && \
@@ -34,6 +36,7 @@ RUN git clone https://github.com/nim-lang/Nim.git --depth=1 -b ${NIM_VERSION} &&
 # Add built nim to path
 ENV PATH=/Nim/bin:$PATH
 
+# Update nimble
 RUN nimble install nimble --accept
 
 COPY . /app
@@ -54,6 +57,8 @@ RUN /root/.nimble/bin/nimble build --passL:-L/usr/lib \
                             --passL:-L/libressl/build-ninja/ssl \
                             --passL:-L/libressl/build-ninja/crypto \
                             --passL:-L/libressl/build-ninja/tls \
+                            --passL:-static \
+                            --passL:"-flto" \
                             -d:release \
                             --opt:speed \
                             --mm:orc \