Add Dockerfile for engine, batcher, and SDK images

.dockerignore

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+# NOTE: unlike .gitignore, ** is not implied, and only the root .dockerignore is considered.
+
+# Dockerignore exclusive
+/.dockerignore
+/Dockerfile
+/docker-tag
+/.git
+
+# .gitignore
+/**/node_modules
+/**/bin
+/**/.nx
+/**/dist
+/**/build
+/**/*.tsbuildinfo
+/**/*.log
+/**/.idea
+
+# .husky/_/.gitignore
+/.husky/_
+
+# packages/batcher/batcher-standalone/.gitignore
+/packages/batcher/batcher-standalone/packaged
+
+# packages/contracts/evm-contracts/.gitignore
+/packages/contracts/evm-contracts/artifacts
+/packages/contracts/evm-contracts/build
+/packages/contracts/evm-contracts/cache
+/packages/contracts/evm-contracts/publish
+/packages/contracts/evm-contracts/typechain-types
+
+# packages/engine/paima-standalone/.gitignore
+/packages/engine/paima-standalone/packaged
+
+# packages/paima-sdk/paima-utils/.gitignore
+/packages/paima-sdk/paima-utils/src/contract-types/

Dockerfile

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+# -----------------------------------------------------------------------------
+FROM --platform=linux/amd64 alpine:3.18.6 AS build
+RUN apk add --no-cache \
+    gcompat \
+    bash \
+    npm
+
+# Installing a newer npm helps avert timeouts somehow.
+RUN npm install -g npm@10.5.1
+
+# Install "forge" binary from https://github.com/foundry-rs/foundry
+# Just picked a popular tag.
+COPY --link --from=ghcr.io/foundry-rs/foundry:nightly-de33b6af53005037b463318d2628b5cfcaf39916 \
+    /usr/local/bin /usr/local/bin
+
+# Speed up build by caching node_modules separately.
+WORKDIR /src
+COPY package.json package-lock.json ./
+RUN npm ci
+COPY . .
+RUN npm run release:bin
+
+# -----------------------------------------------------------------------------
+# paima-SDK node_modules substitute
+FROM scratch AS paima-sdk
+COPY --link --from=build /src/packages/paima-sdk/paima-concise /node_modules/@paima/concise
+COPY --link --from=build /src/packages/paima-sdk/paima-crypto /node_modules/@paima/crypto
+COPY --link --from=build /src/packages/paima-sdk/paima-executors /node_modules/@paima/executors
+COPY --link --from=build /src/packages/paima-sdk/paima-mw-core /node_modules/@paima/mw-core
+COPY --link --from=build /src/packages/paima-sdk/paima-prando /node_modules/@paima/prando
+COPY --link --from=build /src/packages/paima-sdk/paima-providers /node_modules/@paima/providers
+COPY --link --from=build /src/packages/paima-sdk/paima-utils /node_modules/@paima/utils
+COPY --link --from=build /src/packages/paima-sdk/paima-sdk/build /node_modules/@paima/sdk
+COPY --link --from=build /src/packages/node-sdk/paima-db /node_modules/@paima/db
+COPY --link --from=build /src/packages/build-utils/paima-build-utils /node_modules/@paima/build-utils
+COPY --link --from=build /src/packages/node-sdk/paima-utils-backend /node_modules/@paima/utils-backend
+COPY --link --from=build /src/packages/node-sdk/publish-wrapper/build /node_modules/@paima/node-sdk
+COPY --link --from=build /src/packages/contracts/evm-contracts/ /node_modules/@paima/evm-contracts
+
+# -----------------------------------------------------------------------------
+# paima-batcher binary
+FROM --platform=linux/amd64 alpine:3.18.6 AS paima-batcher
+RUN apk add --no-cache \
+    gcompat \
+    libstdc++
+COPY --link --from=build \
+    /src/packages/batcher/batcher-standalone/packaged/@standalone/batcher-bin/paima-batcher-linux \
+    /usr/local/bin/paima-batcher
+#COPY --from=build \
+#    /src/packages/batcher/batcher-standalone/packaged/@standalone/batcher/db/migrations/up.sql \
+#    /init.sql
+ENTRYPOINT [ "/usr/local/bin/paima-batcher" ]
+
+# -----------------------------------------------------------------------------
+# paima-engine binary, defaults to "run" subcommand
+FROM --platform=linux/amd64 alpine:3.18.6 AS paima-engine
+RUN apk add --no-cache \
+    gcompat \
+    libstdc++
+COPY --link --from=build \
+    /src/bin/paima-engine-linux \
+    /usr/local/bin/paima-engine
+WORKDIR "/paima"
+ENTRYPOINT [ "/usr/local/bin/paima-engine" ]
+CMD [ "run" ]
+# Per https://docs.paimastudios.com/home/releasing-a-game/generate-build, user
+# supplies packaged/gameCode.cjs, packaged/endpoints.cjs, and .env.$NETWORK

docker-tag

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+#!/bin/sh
+set -e
+version=${1:-latest}
+docker buildx build . --target paima-sdk --tag ghcr.io/paimastudios/paima-sdk:"$version"
+docker buildx build . --target paima-engine --tag ghcr.io/paimastudios/paima-engine:"$version"
+docker buildx build . --target paima-batcher --tag ghcr.io/paimastudios/paima-batcher:"$version"