decrease docker image size by using alpine
This commit is contained in:
Moritz Hölting
parent
bd22aeba67
commit
975193ff65
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@ -0,0 +1,69 @@
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# -----------------------------
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# Chef base
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# -----------------------------
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FROM rust:alpine AS chef
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# SQLx offline mode
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ENV SQLX_OFFLINE true
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# Alpine build dependencies
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RUN apk add --no-cache curl bash musl-dev openssl-dev pkgconfig
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# Install cargo-chef
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RUN curl -L --proto '=https' --tlsv1.2 -sSf \
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https://raw.githubusercontent.com/cargo-bins/cargo-binstall/main/install-from-binstall-release.sh | bash
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RUN cargo binstall cargo-chef -y
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WORKDIR /app
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# -----------------------------
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# Planner
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# -----------------------------
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FROM chef AS planner
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COPY . .
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RUN OFFLINE=true cargo chef prepare --recipe-path recipe.json
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# -----------------------------
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# Builder
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# -----------------------------
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FROM chef AS builder
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COPY --from=planner /app/recipe.json recipe.json
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RUN cargo chef cook --release --recipe-path recipe.json
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COPY . .
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RUN OFFLINE=true cargo build --release \
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--bin mensa-upb-api \
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--bin mensa-upb-scraper
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# =====================================================
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# Runtime image: scraper (cron-based)
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# =====================================================
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FROM alpine:latest AS scraper-runtime
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WORKDIR /app
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RUN apk add --no-cache ca-certificates tzdata dcron tini
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RUN echo "0 0 * * * /app/mensa-upb-scraper >> /var/log/cron.log 2>&1" \
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> /etc/crontabs/root && \
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touch /var/log/cron.log
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COPY --from=builder /app/target/release/mensa-upb-scraper /app/mensa-upb-scraper
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ENTRYPOINT ["/sbin/tini", "--"]
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CMD sh -c 'env > /etc/environment && crond -l 2 && tail -f /var/log/cron.log'
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# =====================================================
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# Runtime image: API
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# =====================================================
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FROM alpine:latest AS api-runtime
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ARG UID=10001
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RUN adduser -D -H -u "${UID}" appuser
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USER appuser
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COPY --from=builder /app/target/release/mensa-upb-api /bin/mensa-upb-api
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ENV API_INTERFACE=0.0.0.0
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EXPOSE 8080
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CMD ["/bin/mensa-upb-api"]
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@ -2,7 +2,8 @@ services:
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api:
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build:
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context: .
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dockerfile: ./web-api/Dockerfile
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dockerfile: ./Dockerfile
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target: api-runtime
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image: mensa-upb-api:latest
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ports:
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- 8080:8080
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@ -16,7 +17,8 @@ services:
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scraper:
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build:
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context: .
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dockerfile: ./scraper/Dockerfile
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dockerfile: ./Dockerfile
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target: scraper-runtime
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image: mensa-upb-scraper:latest
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environment:
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- DATABASE_URL=postgres://pguser:pgpass@postgres-mensa-upb/postgres
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@ -1,2 +0,0 @@
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.env
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.gitignore
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@ -1,29 +0,0 @@
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FROM rust:latest AS chef
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RUN curl -L --proto '=https' --tlsv1.2 -sSf https://raw.githubusercontent.com/cargo-bins/cargo-binstall/main/install-from-binstall-release.sh | bash
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RUN cargo binstall cargo-chef -y
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WORKDIR /app
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FROM chef AS planner
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COPY . .
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RUN OFFLINE=true cargo chef prepare --bin mensa-upb-scraper --recipe-path recipe.json
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FROM chef AS builder
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COPY --from=planner /app/recipe.json recipe.json
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RUN cargo chef cook --bin mensa-upb-scraper --release --recipe-path recipe.json
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COPY . .
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RUN OFFLINE=true cargo build --bin mensa-upb-scraper --release
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FROM debian:bookworm-slim AS runtime
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WORKDIR /app
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RUN apt-get update -y && \
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apt-get install -y ca-certificates cron
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RUN echo "0 0 * * * /app/mensa-upb-scraper >> /var/log/cron.log 2>&1" > /etc/cron.d/mensa_upb_scraper
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RUN chmod 0644 /etc/cron.d/mensa_upb_scraper
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RUN crontab /etc/cron.d/mensa_upb_scraper
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RUN touch /var/log/cron.log
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COPY --from=builder /app/target/release/mensa-upb-scraper /app/mensa-upb-scraper
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CMD env > /etc/environment && cron && tail -f /var/log/cron.log
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@ -1,23 +0,0 @@
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services:
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scraper:
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build: .
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image: mensa-upb-scraper:latest
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environment:
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- DATABASE_URL=postgres://pguser:pgpass@postgres-mensa-upb-scraper/postgres
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- "RUST_LOG=none,mensa_upb_scraper=info"
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- TZ=Europe/Berlin
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depends_on:
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- postgres
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postgres:
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container_name: postgres-mensa-upb-scraper
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image: postgres:17-alpine
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environment:
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- POSTGRES_USER=pguser
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- POSTGRES_PASSWORD=pgpass
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- POSTGRES_DB=postgres
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volumes:
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- db:/var/lib/postgresql/data
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volumes:
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db:
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@ -1,32 +0,0 @@
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# Include any files or directories that you don't want to be copied to your
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# container here (e.g., local build artifacts, temporary files, etc.).
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#
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# For more help, visit the .dockerignore file reference guide at
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# https://docs.docker.com/engine/reference/builder/#dockerignore-file
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**/.DS_Store
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**/.classpath
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**/.dockerignore
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**/.env
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**/.git
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**/.gitignore
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**/.project
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**/.settings
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**/.toolstarget
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**/.vs
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**/.vscode
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**/*.*proj.user
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**/*.dbmdl
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**/*.jfm
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**/charts
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**/docker-compose*
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**/compose*
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**/Dockerfile*
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**/node_modules
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**/npm-debug.log
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**/secrets.dev.yaml
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**/values.dev.yaml
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/bin
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/target
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LICENSE
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README.md
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@ -1,37 +0,0 @@
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FROM rust:latest AS chef
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RUN curl -L --proto '=https' --tlsv1.2 -sSf https://raw.githubusercontent.com/cargo-bins/cargo-binstall/main/install-from-binstall-release.sh | bash
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RUN cargo binstall cargo-chef -y
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WORKDIR /app
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FROM chef AS planner
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COPY . .
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RUN OFFLINE=true cargo chef prepare --bin mensa-upb-api --recipe-path recipe.json
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FROM chef AS builder
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COPY --from=planner /app/recipe.json recipe.json
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RUN cargo chef cook --bin mensa-upb-api --release --recipe-path recipe.json
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COPY . .
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RUN OFFLINE=true cargo build --bin mensa-upb-api --release
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FROM debian:bookworm-slim AS runtime
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ARG UID=10001
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RUN adduser \
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--disabled-password \
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--gecos "" \
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--home "/nonexistent" \
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--shell "/sbin/nologin" \
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--no-create-home \
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--uid "${UID}" \
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appuser
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USER appuser
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COPY --from=builder /app/target/release/mensa-upb-api /bin/mensa-upb-api
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ENV API_INTERFACE=0.0.0.0
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EXPOSE 8080
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# What the container should run when it is started.
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CMD ["/bin/mensa-upb-api"]
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@ -1,27 +0,0 @@
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services:
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api:
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build: .
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image: mensa-upb-api:latest
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ports:
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- 8080:8080
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environment:
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- DATABASE_URL=postgres://pguser:pgpass@postgres-mensa-upb-api/postgres
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- "RUST_LOG=none,mensa_upb_api=info"
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- TZ=Europe/Berlin
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depends_on:
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- postgres
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postgres:
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container_name: postgres-mensa-upb-api
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image: postgres:17-alpine
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environment:
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- POSTGRES_USER=pguser
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- POSTGRES_PASSWORD=pgpass
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- POSTGRES_DB=postgres
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volumes:
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- db:/var/lib/postgresql/data
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volumes:
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db:
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