Create solver page; add Dockerfile

Dockerfile

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+FROM julia:1.7-buster
+
+# Install Node.js & zip
+RUN apt-get update -yq && \
+    apt-get -yq install curl gnupg ca-certificates && \
+    curl -L https://deb.nodesource.com/setup_18.x | bash && \
+    apt-get update -yq && \
+    apt-get install -yq nodejs zip
+
+# Install Julia dependencies
+ADD Project.toml /app/
+ADD src/RELOG.jl /app/src/
+RUN julia --project=/app -e 'using Pkg; Pkg.update()'
+
+# Install JS dependencies
+ADD relog-web/package*.json /app/relog-web/
+RUN cd /app/relog-web && npm install
+
+# Copy source code
+ADD . /app
+RUN julia --project=/app -e 'using Pkg; Pkg.precompile()'
+
+# Build JS app
+RUN cd /app/relog-web && npm run build
+
+WORKDIR /app
+CMD julia --project=/app -e 'import RELOG; RELOG.web("0.0.0.0")'