Add docker chain for direct building debian-based image.

No cross-compilation, no MUSL support.

docker/nocross/.env

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+DOMAIN=my_domain
+DATABASE_PASSWORD=password
+DATABASE_URL=postgres://lemmy:password@lemmy_db:5432/lemmy
+JWT_SECRET=changeme

docker/nocross/Dockerfile

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+FROM node:12-buster as node
+
+WORKDIR /app/ui
+
+# Cache deps
+COPY ui/package.json ui/yarn.lock ./
+RUN yarn install --pure-lockfile --network-timeout 100000
+
+# Build 
+COPY ui /app/ui
+RUN yarn build
+
+
+FROM rust:1.37 as rust
+
+# Cache deps
+WORKDIR /app
+RUN USER=root cargo new server
+WORKDIR /app/server
+COPY server/Cargo.toml server/Cargo.lock ./
+RUN  mkdir -p ./src/bin \
+  && echo 'fn main() { println!("Dummy") }' > ./src/bin/main.rs 
+
+RUN cargo build
+RUN rm -f ./target/debug/deps/lemmy_server*
+COPY server/src ./src/
+COPY server/migrations ./migrations/
+
+# build for release
+#RUN cargo build --frozen --release
+RUN cargo build
+
+# Get diesel-cli on there just in case
+# RUN cargo install diesel_cli --no-default-features --features postgres
+
+# make result place always the same for lemmy container
+RUN cp /app/server/target/debug/lemmy_server /app/server/ready
+
+
+#FROM alpine:3.10
+# debian because build with dynamic linking with debian:buster
+FROM debian:buster as lemmy
+
+# Install libpq for postgres
+#RUN apk add libpq
+RUN apt-get update && apt-get install -y libpq5
+
+# Copy resources
+#COPY --from=rust /app/server/target/$TARGET/debug/lemmy_server /app/lemmy
+COPY --from=rust /app/server/ready /app/lemmy
+COPY --from=node /app/ui/dist /app/dist
+RUN addgroup --gid 1000 lemmy
+# for alpine
+#RUN adduser -D -s /bin/sh -u 1000 -G lemmy lemmy
+# for debian
+RUN adduser --disabled-password --shell /bin/sh --uid 1000 --ingroup lemmy lemmy
+RUN chown lemmy:lemmy /app/lemmy
+USER lemmy
+EXPOSE 8536
+CMD ["/app/lemmy"]

docker/nocross/Dockerfile.org

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+FROM node:10-jessie as node
+WORKDIR /app/ui
+
+# Cache deps
+COPY ui/package.json ui/yarn.lock ./
+RUN yarn install --pure-lockfile
+
+# Build 
+COPY ui /app/ui
+RUN yarn build
+
+FROM rust:latest as rust
+
+# Install musl
+RUN apt-get update
+RUN apt-get install musl-tools -y
+RUN rustup target add x86_64-unknown-linux-musl
+
+# Cache deps
+WORKDIR /app
+RUN USER=root cargo new server
+WORKDIR /app/server
+COPY server/Cargo.toml server/Cargo.lock ./
+RUN  mkdir -p ./src/bin \
+  && echo 'fn main() { println!("Dummy") }' > ./src/bin/main.rs 
+RUN RUSTFLAGS=-Clinker=musl-gcc cargo build --release --target=x86_64-unknown-linux-musl
+RUN rm -f ./target/x86_64-unknown-linux-musl/release/deps/lemmy_server*
+COPY server/src ./src/
+COPY server/migrations ./migrations/
+
+# build for release
+RUN RUSTFLAGS=-Clinker=musl-gcc cargo build --frozen --release --target=x86_64-unknown-linux-musl
+
+# Get diesel-cli on there just in case
+# RUN cargo install diesel_cli --no-default-features --features postgres
+
+FROM alpine:latest
+
+# Install libpq for postgres
+RUN apk add libpq
+
+# Copy resources
+COPY --from=rust /app/server/target/x86_64-unknown-linux-musl/release/lemmy_server /app/lemmy
+COPY --from=node /app/ui/dist /app/dist
+RUN addgroup -g 1000 lemmy
+RUN adduser -D -s /bin/sh -u 1000 -G lemmy lemmy
+RUN chown lemmy:lemmy /app/lemmy
+USER lemmy
+EXPOSE 8536
+CMD ["/app/lemmy"]

docker/nocross/deploy.sh

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+#!/bin/sh
+git checkout master
+
+# Creating the new tag
+new_tag="$1"
+git tag $new_tag
+
+# Setting the version on the front end
+pushd ../../ui/
+node set_version.js
+git add src/version.ts
+popd
+
+# Changing the docker-compose prod
+sed -i "s/dessalines\/lemmy:.*/dessalines\/lemmy:$new_tag/" ../prod/docker-compose.yml
+git add ../prod/docker-compose.yml
+
+# The commit
+git commit -m"Upping version."
+
+git push origin $new_tag
+git push
+
+# Rebuilding docker
+./docker_update.sh
+docker tag dev_lemmy:latest dessalines/lemmy:$new_tag
+docker push dessalines/lemmy:$new_tag
+
+# Pushing to any ansible deploys
+cd ../../ansible
+ansible-playbook lemmy.yml

docker/nocross/docker-compose.yml

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+version: '3.3'
+
+services:
+  lemmy_db:
+    image: postgres:12-alpine
+    environment:
+      - POSTGRES_USER=lemmy
+      - POSTGRES_PASSWORD=${DATABASE_PASSWORD}
+      - POSTGRES_DB=lemmy
+    volumes:
+      - lemmy_db:/var/lib/postgresql/data
+  lemmy:
+    build: 
+      context: ../../
+      dockerfile: docker/pi/Dockerfile
+    ports:
+      - "8536:8536"
+    environment:
+      - LEMMY_FRONT_END_DIR=/app/dist
+      - DATABASE_URL=${DATABASE_URL}
+      - JWT_SECRET=${JWT_SECRET}
+      - HOSTNAME=${DOMAIN}
+    depends_on: 
+      - lemmy_db
+volumes:
+  lemmy_db:

docker/nocross/docker_update.sh

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+#!/bin/sh
+docker-compose up -d --no-deps --build